The continental crust is less dense and more buoyant than ocean crust, and it makes up about 30% of the Earth's surface.
Continental crust is primarily composed of granitic rocks, which are lighter in color and have a lower density compared to the basaltic rocks that make up oceanic crust. Granitic rocks are also more felsic (rich in silica, aluminum, potassium, and sodium) compared to basaltic rocks, which are more mafic (rich in magnesium and iron).
Continental crust is thicker than oceanic crust. On average, continental crust is around 35-40 km thick, while oceanic crust is only around 7-10 km thick.Continental crust is less dense than oceanic crust. The average density of continental crust is around 2.7 g/cm³, while the average density of oceanic crust is around 3.0 g/cm³.Continental crust makes up about 40% of the Earth's surface. The remaining 60% is covered by oceanic crust.Continental crust is more buoyant than oceanic crust. This is due to its lower density and thicker composition, which allows it to "float" higher on the denser, more malleable mantle below.In summary, continental crust is thicker, less dense, and more buoyant than oceanic crust, and it makes up around 40% of the Earth's surface.
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on mount st. helens, the intensity of disturbance ranged from extremely high (lava dome, pumice plain) to moderate (mudflow zone, blowdown zone), to low (scorch zone). in which area is the biotic stress of competition most likely to control succession?
In Pumice Plain area is the biotic stress of competition most likely to control succession.
On the northern slopes of Mount St. Helens, inside the National Volcanic Monument, the Pumice Plain is a Class I Research Area. The Pumice Plain has stayed a pure natural laboratory since the volcanic explosion. Unlike any other place on Earth, the site has given researchers the chance to observe how new ecosystems are formed.
Because of the distinctive opportunities it offers, researchers are drawn to this website. Ecosystems are huge, intricate networks where it might be challenging to isolate any one cause.
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true or false greater temperature fluctuations are seen in coastal areas due to the marine effect.
Answer:
false
Explanation:
Anoki's grandparents live on the land that his Native American tribe has traditionally inhabited, and they practice traditional religious customs there.
When Anoki's grandparents come to visit them in the city, they do not observe any of the rituals. Why might this be?
OA. The city is too dirty for religious observances of any type.
OB.
OC.
D.
They follow an animist faith that is centered in the land of the tribe.
They are embarrassed to follow such old-fashioned practices.
They don't want to diffuse their religion.
Answer:
Explanation:The Native American Church (NAC), also known as Peyotism and Peyote Religion, is a Native American religion that teaches a combination of traditional Native American beliefs and Christianity, with sacramental use of the entheogen peyote.
much of the portable art from the ice age is of animals, but the most famous pieces are the so-called _____________, such as the example from willendorf, austria
Much of the portable art from the ice age is of animals, but the most famous pieces are the so-called Venus figurines, such as the example from Willendorf, Austria.
The name is Venus Figurine refers to the more than 200 tiny statuettes of voluptuous female figures discovered at Upper Palaeolithic sites throughout Europe and certain areas of Asia.
"When paleoanthropologists refer to figurines as Venuses, [they] usually do so with air quotes" (von Petzinger, 95), because stories about the goddess Venus predate Venus sculptures by thousands of years. The term comes from speculations that link these figures to fertility and sexuality, two characteristics connected with the Roman goddess.
While the bulk of Venus figurines exhibit these voluptuous qualities, individual specimens show considerable variation in terms of materials and craftsmanship. In terms of geography, they are also fairly different.
They have been discovered in locations throughout Europe and as far away as Siberia. The majority have been discovered in prehistoric village sites, both inside caves and in open areas. While exceedingly unusual, several figurines have been discovered in graveyards.
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during crucial periods of human evolution, the pleistocene was characterized by group of answer choices aridity, then humidity. massive glaciation, then warm interglacials. high humidity. glaciation, then aridity.
The Pleistocene epoch, which lasted from about 2.6 million years ago to 11,700 years ago, was characterized by dramatic fluctuations in climate and environmental conditions.
One of the defining features of this period was the alternating cycles of glaciation and warming, known as glacial-interglacial cycles. During glacial periods, large portions of the earth's surface were covered by massive ice sheets, causing a drop in sea levels and a drying of many regions. Conversely, during interglacial periods, the earth's climate was relatively warmer and more humid, leading to the expansion of forests and grasslands. These climate fluctuations had a profound impact on human evolution, shaping the morphology, behavior, and distribution of early humans. During the glacial periods, early humans were forced to adapt to harsh and challenging conditions, such as limited food resources and extreme temperatures. In contrast, during the warmer interglacial periods, early humans were able to expand their ranges and take advantage of new resources, leading to the development of new cultural and technological innovations. Overall, the Pleistocene was characterized by a dynamic and ever-changing environment, with dramatic shifts in temperature, humidity, and glaciation playing a key role in the evolution of our species.
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engineers refer to any loose material on the surface of the earth as soil. how does this differ from the definition earth scientists prefer?
Engineers typically define soil as any loose material on the surface of the Earth, which includes unconsolidated rocks, sediments, and organic matter. Earth scientists, on the other hand, prefer a more specific definition of soil that emphasizes its formation through weathering, its composition, and its ability to support plant life.
In contrast, earth scientists have a more specific definition of soil that takes into account its formation and characteristics. They define soil as the upper layer of the earth's surface that is composed of mineral particles, organic matter, and other living organisms. This layer has developed over thousands of years through the weathering of underlying rock and the accumulation of organic matter and nutrients.Earth scientists also consider the properties of soil, such as its texture, structure, and composition, when studying its function and role in the environment. They may analyze soil samples to determine its chemical and physical properties, and use this information to understand its impact on plant growth, erosion, and water retention.
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What was the early atmosphere of the earth like? What was the Oparin-Haldane hypothesis?
The early atmosphere of the earth is believed to have been composed primarily of carbon dioxide, nitrogen, and water vapor.
It is thought that the planet's atmosphere began to evolve around 4 billion years ago, as volcanic activity released gases that eventually formed the early atmosphere. The Oparin-Haldane hypothesis is a scientific theory that was first proposed in the 1920s by Russian biochemist Alexander Oparin and later developed by British scientist J.B.S. Haldane. This hypothesis proposes that the early earth's atmosphere, which was primarily composed of gases such as methane, ammonia, and hydrogen, along with lightning strikes and UV radiation from the sun, gave rise to organic molecules necessary for life. These organic molecules eventually led to the formation of the first cells, which became the building blocks of all living organisms.
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One would normally begin with ________ in a GIS project:
a.data display
b.data acquisition
c.data analysis
d.data exploration
One would normally begin with (a) data acquisition in a GIS project. This involves identifying and obtaining the necessary data sources for the project, such as satellite imagery, survey data, or existing maps.
Once the data has been acquired, it can then be explored, analyzed, and displayed within the GIS software. Before acquiring data, it is important to determine the scope and goals of the project in order to identify what data will be needed. Once the necessary data has been identified, it can be obtained from a variety of sources, such as government agencies, commercial providers, or open data portals. Once the data has been acquired, the next step is data preparation, which involves cleaning, formatting, and organizing the data to make it usable for analysis within the GIS software. This can include tasks such as removing duplicates, correcting errors, and creating a common coordinate system. After the data has been prepared, it can be imported into the GIS software and used to create maps, perform spatial analysis, and generate new data through processes such as interpolation or buffering. Overall, data acquisition is a crucial first step in any GIS project, as it lays the foundation for all subsequent analysis and decision-making.
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One would normally begin with Data acquisition in a GIS project. In a GIS (Geographic Information System) project, the typical starting point is data acquisition. Data acquisition involves gathering or obtaining relevant data that will be used in the GIS project.
This may include obtaining geospatial data from various sources, such as satellite imagery, aerial photography, digital maps, or field surveys.
Data acquisition is a critical step in GIS project as the accuracy, quality, and completeness of the data collected will directly impact the results and outcomes of the project.
Once the data is acquired, it can then be processed, analyzed, displayed, and explored using various GIS tools and techniques to derive insights, make decisions, and solve spatial problems.
Data acquisition sets the foundation for the entire GIS project and serves as the starting point for subsequent data processing and analysis tasks.
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(X+3)2 + (y-6)2 = 24
Find the coordinates of the center of the following circle
The coordinates of the center of the following circle which is (x+3)^2 + (y-6)^2 is (-3, 6).
The equation given represents a circle in the coordinate plane with center (h, k) and radius r. To find the center of the circle, we need to convert the given equation into standard form, which is:
(x - h)^2 + (y - k)^2 = r^2
Comparing this to the given equation, we can see that:
h = -3 (opposite of the x-coordinate of the given vertex)
k = 6 (same as the y-coordinate of the given vertex)
r^2 = 24 (by equating the coefficients of x^2 and y^2)
To see why this is true, note that the center of the circle is the point that is equidistant from all points on the circle. Using the distance formula, we can calculate the distance between any point on the circle and the center. For example, if we use the point (-3, 6) and the point (x, y) on the circle, we get:
√((x+3)^2 + (y-6)^2)
This should be equal to the radius, which is √(24). By solving for x and y in this equation, we can find all the points on the circle, which will be equidistant from (-3, 6).
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(q020) features that are created when water dissolves surface and subsurface limestone, like sinkholes, troughs, caverns, natural bridges, and towers, are collectively called group of answer choices potentiometric surfaces. artesian surfaces. geothermal landscapes. karst landscapes.
Answer: Karst landscapes
Explanation:
If the standard meridian of India passes at 82.5E, and the time gap between India and UAE is 1hour 30 minutes, what is the standard meridian considered for time calculation in the UAE?
The standard meridian considered for time calculation in the UAE would be 60 degrees east.
How to find the standard meridian ?The time difference between India and UAE is 1 hour 30 minutes, which is equivalent to 1.5 hours. Since each hour corresponds to 15 degrees of longitude, the time difference corresponds to a longitude difference of 1.5 x 15 = 22.5 degrees to the west of India's standard meridian.
Therefore, to calculate the standard meridian considered for time calculation in the UAE, we need to subtract the longitude difference of 22.5 degrees from India's standard meridian of 82.5 degrees east.
This gives us a standard meridian of 60 degrees east, which is considered for time calculation in the UAE.
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which of the following is NOT a factor that influences population distribution?
a - language
b - government policy
c - economy
d - resources
________ is a good indicator whether or not a country is developed or developing
a - religion
b - currency
c - literacy rate
d - language
Answer:
1. economy
2. literacy rate
Explanation:
The assistant principal drew a diagram of the courtyard on a coordinate grid. He drew the bike rack at (-6, 1), the bench at (5, 1), and a table at (2, 5).
The length of each square on the grid represented one yard.
What was the distance between the bike rack and the bench?
A.
6 yards
B.
11 yards
C.
8 yards
D.
10 yards
Answer:
Explanation:32
Answer:
11
Explanation:
.
what cultural and idustrial elements promote sustainable development in bhutan, maldives nepal, and sri lanka
The activities are crucial since they create jobs, supply food, and exports while not requiring highly sophisticated technology in the countries with limited resources and sustainable development economy.
What factors affect the current governments of Sri Lanka, the Maldives, Bhutan, and Nepal?Political structures have been impacted by religion. Monks first took charge of Bhutan. Nepal has monarchs who preferred Buddhism. The activities are crucial since they create jobs, supply food, and exports while not requiring highly sophisticated technology in the countries with limited resources and a poorly developed economy.
What distinguishes Bhutan and Nepal from Sri Lanka and the Maldives?However, they should incorporate any pertinent information from the chapter, such as: Different: North of India, in the Himalaya, the highest mountains in the world, are Bhutan and Nepal.
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Find out where the tallest buildings in spain after the cuatro torres are located. In your notebook write a short summary including:
After the Cuatro Torres, the highest buildings in Spain are in Barcelona and Benidorm.
The Torre Glries, originally known as Torre Agbar, is Barcelona's highest building, standing 144 meters tall and having 34 storeys.The tallest structures in Benidorm are the Gran Hotel Bali and the Intempo Building. The Gran Hotel Bali, which measures 186 meters tall and has 52 floors, was completed in 2002.
The Intempo Building, which was finished in 2021, is the tallest residential building in the European Union, at 192 meters tall with 47 storeys. These structures have become landmarks in Benidorm's skyline and are famous tourist attractions.
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if a nation has large areas of arable land and access to water that nation will likely have
Causes: Discuss possible causes of Climate Change Support your discussion with examples, pictures, diagrams, photos etc it must be One and a half page
Climate change is the gradual alteration of temperature and weather patterns. Climate change is caused by a variety of factors, including energy production. Burning fossil fuels to provide heat and power is a major contributor to world emissions.
What do you know about Climate Change?Long-term modifications to weather and temperature patterns are referred to as climate change. These changes might occur naturally, for instance through variations in the solar cycle.
But since the 1800s, burning fossil fuels like coal, oil, and gas has been the primary cause of climate change, which is mostly attributable to human activity.
By trapping the sun's heat and boosting temperatures, greenhouse gas emissions produced by burning fossil fuels behave as a blanket over the planet.
Methane and carbon dioxide are two examples of the greenhouse gases that are contributing to climate change. These result from using fuels like gasoline or coal to heat buildings, respectively.
Carbon dioxide can also be released during logging and clearing land. Methane emissions are primarily produced by landfills for trash. industry, and energy
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Which of the following statements about pulsars is true?
a) If we observe a Type II supernova and do not see a pulsar afterward at the same location, we know a black hole must be present there.
b) Pulsars cannot be rotating white dwarfs because their rotation rate is so high that a white dwarf would be ripped apart.
c) Pulsars could very likely be signals from intelligent aliens.
d) All neutron stars are pulsars, if viewed from the right direction.
e) Once a pulsar forms, it typically lasts for billions of years.
Once a pulsar forms, it typically lasts for billions of years. Pulsars are rapidly rotating neutron stars that emit a beam of electromagnetic radiation.
The correct answer is E.
When this beam of radiation is aligned with Earth, it gives off pulses of radiation at regular intervals. Pulsars are typically formed when a massive star collapses in a supernova explosion and its core shrinks to a neutron star. In some cases, a black hole will be formed from the collapsed star instead of a neutron star.
Pulsars can be very long-lived, lasting for billions of years due to the conservation of angular momentum from the star's rapid rotation. Pulsars can spin hundreds of times per second and emit radiation across the electromagnetic spectrum. Pulsars are not believed to be signals from intelligent aliens, but rather just a natural phenomenon caused by the rotation of neutron stars.
The correct answer is E.
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very fine mud sediments (<1/256) in size would most likely form what type of sedimentary rock? group of answer choices sandstone gypsum shale breccia
The correct answer is shale. Very fine mud sediments with a size less than 1/256 mm are classified as clay particles. When these clay particles are deposited and buried under pressure and compaction, they can form a sedimentary rock known as shale.
Shale is a fine-grained sedimentary rock composed mainly of clay minerals, such as illite, kaolinite, and smectite. The small particle size of the clay minerals allows for the formation of a dense, impermeable rock that can be found in a variety of depositional environments, including marine, lacustrine, and deltaic environments. The color of shale can vary from gray to black, and it often exhibits a fissile texture, meaning it can easily split into thin layers or sheets due to the alignment of clay minerals during compaction. Shale can also contain fossils, which can provide valuable information about the environment and conditions under which the rock was formed. In summary, very fine mud sediments with a size less than 1/256 mm are likely to form shale, a fine-grained sedimentary rock composed mainly of clay minerals that can be found in various depositional environments and can contain fossils.
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how much of earth’s land surface is still covered with wilderness?
According to the World Wildlife Fund, only 22.9% of Earth's land surface is still covered with wilderness.
This has been decreasing due to human activities such as urbanization, industrialization, and agriculture. This means that more than three-quarters of the Earth's land surface has been modified by humans. While this loss of wilderness is concerning, conservation efforts are helping to protect remaining wild areas and ensuring that future generations can continue to enjoy them.
Organizations like the WWF are working to expand wilderness areas and to protect the biodiversity found in them. They are also advocating for better land management policies to keep wildlife habitats safe and healthy.
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Reasons Why immigrants are in Khayelitsha areas ?
There are several reasons why there are immigrants in Khayelitsha areas such as :
economic opportunities.ocial and cultural factors.Why are people at Khayelitsha ?One reason why immigrants are in Khayelitsha is economic opportunities. South Africa has one of the largest economies in Africa, and Cape Town is one of the country's main economic hubs. Many immigrants are attracted to the city's job opportunities, particularly in sectors such as construction.
Another reason why immigrants are in Khayelitsha is social and cultural factors. The township has a vibrant and diverse community, with residents from many different ethnic and cultural backgrounds.
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the combination of drifting and blowing snow, after falling snow has ended, is called a ___. a. ground blizzard b. dusting c. aftersnow d. snow squall e. snow blanket
The combination of drifting and blowing snow, after falling snow has ended, is called a (a) ground blizzard.
A ground blizzard is a weather phenomenon that occurs after a snowfall when snow is blown and drifted by wind, reducing visibility and creating hazardous conditions. Ground blizzards are particularly common in areas with flat terrain and dry snow, such as the Great Plains of North America and the steppes of central Asia. The strong winds can cause significant drifting and redistribution of snow, leading to the formation of snowdrifts and wind-packed snow. The term "ground blizzard" is often used to distinguish this phenomenon from a traditional blizzard, which is characterized by falling snow and strong winds. The strong winds can cause significant drifting and redistribution of snow, leading to the formation of snowdrifts and wind-packed snow.
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The combination of drifting and blowing snow, after falling snow has ended, is called a ground blizzard. The correct answer to your question is a. ground blizzard.
A ground blizzard occurs when strong winds blow loose snow on the ground, creating whiteout conditions and reducing visibility to near zero. Ground blizzards often occur after a snowfall has ended, when the wind continues to blow snow from the ground and cause it to drift. The combination of drifting and blowing snow can make it difficult to travel and can also create dangerous conditions for people who are caught outside in the storm.
A ground blizzard can be particularly dangerous because it can happen without warning, and people may not be prepared for the sudden drop in visibility and extreme cold. It is important to stay inside during a ground blizzard if possible, or to use caution if you must go outside.
If you do need to travel, be sure to bring warm clothing, extra food and water, and a way to communicate with others in case of an emergency. By taking these precautions, you can help stay safe during a ground blizzard and avoid the potentially deadly effects of this weather phenomenon. The correct answer to your question is a. ground blizzard.
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rhyolite lava group of answer choices has more silica than basalt lava does. indicates the tendency for explosive activity. may freeze in the vent and emerge as a spine. may form a lava dome above the vent. all the possible answers are correct.
"Rhyolite Lava : all the possible answers are correct." All of the given options are right.
What is rhyolite lava?Rhyolitic lavas are sticky & tend to form big blocky lava flows or steep sided piles of lava known as lava do-mes. Rhyolite mag-mas tend to erupt explo-sively, commonly also producing abund-ant ash & pumice Due to their high con-tent of silica & low iron & magnesium contents, rhyolitic magmas form high-ly viscous lavas.
The options - "may freeze in the vent and emerge as a spine; has more silica than basalt lava does; indicates the tendency for explosive activity; may form a lava dome above the vent, are correct."
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the ______ plateau and the ______ plateau are oceanic plateaus that formed over 100 million years ago.
The Ontong Java Plateau and the Kerguelen Plateau are oceanic plateaus that formed over 100 million years ago.
Identify the first oceanic plateau, the Ontong Java Plateau. This plateau is located in the western Pacific Ocean and is the world's largest oceanic plateau, covering an area of about 1.86 million square kilometers. Identify the second oceanic plateau, the Kerguelen Plateau. This plateau is located in the southern Indian Ocean and is the second-largest oceanic plateau, covering an area of around 1.25 million square kilometers.
Understand that both plateaus were formed over 100 million years ago. They were created through volcanic activity and the accumulation of basaltic lava, which resulted in the formation of these large, flat, elevated areas on the ocean floor. Recognize the significance of these plateaus. Oceanic plateaus are important features on the Earth's surface because they provide habitats for diverse marine life and can influence ocean circulation patterns, which in turn can affect climate and global weather systems.
In conclusion, the Ontong Java Plateau and the Kerguelen Plateau are oceanic plateaus that formed over 100 million years ago through volcanic activity and the accumulation of basaltic lava. These large, flat, elevated areas on the ocean floor play a significant role in supporting marine life and influencing global climate patterns.
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The Ontong Java plateau and the Kerguelen plateau are oceanic plateaus that formed over 100 million years ago.
The Ontong Java plateau and the Kerguelen plateau are both large, flat areas on the ocean floor that were formed by massive volcanic eruptions over 100 million years ago. These eruptions created extensive layers of basalt, a type of igneous rock, which accumulated over time to form these plateaus. Both plateaus are believed to have originated from mantle plumes, which are hot upwellings of magma from deep within the Earth's mantle. The Ontong Java plateau is located in the western Pacific Ocean, while the Kerguelen plateau is located in the southern Indian Ocean. Today, both plateaus are important sites for scientific research into Earth's geologic history and the processes that shape our planet.
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another term for explosive cyclogenesis used by meteorologists is ______.
Another term for explosive cyclogenesis used by meteorologists is "bombogenesis" or simply "bombing". This term refers to a rapidly intensifying area of low pressure in which the central pressure drops at least 24 millibars in 24 hours or less.
Explosive cyclogenesis, or bombogenesis, is a meteorological phenomenon that occurs when a mid-latitude cyclone or a frontal wave undergoes rapid intensification, with its central pressure falling at a rate of at least 1 millibar per hour for 24 hours or more. This process can occur over both oceanic and continental areas, but it is most common over the western North Atlantic Ocean, where it is often associated with nor'easters. Explosive cyclogenesis can have significant impacts on weather and climate patterns, as it can generate strong winds, heavy precipitation, and storm surges. In some cases, it can even lead to blizzard conditions or hurricane-force winds. The term "bombogenesis" was first coined by meteorologists in the 1940s to describe the rapid intensification of a mid-latitude cyclone, and it has since become a common term used in weather forecasts and discussions. In recent years, there has been some debate among meteorologists about whether the term "bombogenesis" is too sensationalistic and whether it should be replaced with a more technical or descriptive term. However, the term remains in use and is still widely recognized by the public and the media.
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Another term for explosive cyclogenesis used by meteorologists is "bombogenesis".
This phenomenon occurs when a mid-latitude cyclone rapidly intensifies, with a pressure drop of at least 24 millibars in 24 hours.
The term "bomb" refers to the explosive nature of the process, where the cyclone's central pressure drops so rapidly that it resembles a bomb detonating. Explosive cyclogenesis can lead to severe weather events, such as blizzards, heavy rainfall, and strong winds, and can have significant impacts on transportation and infrastructure. Meteorologists closely monitor these events and issue warnings and advisories to help communities prepare and respond. The conditions that lead to explosive cyclogenesis typically occur during the winter months, over the Atlantic Ocean and in the western Pacific.
However, it can also occur over land and during other seasons. Understanding the science behind this phenomenon is crucial for meteorologists in accurately predicting and communicating severe weather events to the public, so that people can take necessary precautions to stay safe.
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the cycles of slow buildup and advance of glaciers followed by rapid shrinkage and retreat is caused by
The cycles of slow buildup and advance of glaciers followed by rapid shrinkage and retreat are caused by fluctuations in climate and temperature,
The cycles of slow buildup and advance of glaciers followed by rapid shrinkage and retreat are caused by variations in Earth's climate, including changes in temperature, precipitation, and atmospheric composition. These changes can be driven by natural factors such as volcanic activity and solar radiation, as well as human-induced factors such as greenhouse gas emissions. The buildup of glaciers occurs when there is an excess of snowfall and colder temperatures, while retreat occurs when there is melting and warmer temperatures. The speed of these processes can be influenced by a variety of factors, including the topography and geology of the land, the location of the glacier, and the overall balance between accumulation and ablation (melting and sublimation). The cycles of slow buildup and advance of glaciers followed by rapid shrinkage and retreat are caused by fluctuations in climate and temperature, specifically through processes known as glacial advance and glacial retreat. These cycles are influenced by factors such as precipitation, melting, and changes in Earth's orbit and tilt.
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geographic distribution explains the commuting patterns between cities and suburbs. group of answer choices true false
True. Geographic distribution can help explain the commuting patterns between cities and suburbs, as it refers to the spatial arrangement of people, places, and resources. Understanding this distribution can provide insights into the relationships between cities and suburbs, including commuting patterns.
A suburb, more broadly suburban area, is an area within a metropolitan area that is primarily a residential area, though may also include commercial and mixed-use areas. A suburb can exist either as part of a larger city/urban area or as a separate political entity. The name describes an area which is not as densely populated as an inner city, yet more densely populated than a rural area in the countryside. In many metropolitan areas, suburbs exist as separate residential communities within commuting distance of a city (cf "bedroom suburb".) Suburbs can have their own political or legal jurisdiction, especially in the United States, but this is not always the case, especially in the United Kingdom, where most suburbs are located within the administrative boundaries of cities. In most English-speaking countries, suburban areas are defined in contrast to central or inner city areas, but in Australian English and South African English, suburb has become largely synonymous with what is called a "neighborhood" in the US, and the term encompasses inner city areas.
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a single igneous pluton has risen through the country rock and has created a rim of metamorphic rock surrounding the pluton. what term best describes this type of metamorphism?
The term that best describes this type of metamorphism is "contact metamorphism.
The term that best describes this type of metamorphism is "contact metamorphism." It occurs when an igneous pluton rises through the country rock, causing the surrounding rocks to undergo metamorphism due to the heat and chemical changes associated with the intrusion. The resulting rim of metamorphic rock surrounding the pluton is an example of this process.The metamorphic rock that forms around the pluton is known as the "contact aureole."
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which of the following statements apply to the asthenosphere, but not the lithosphere? group of answer choices deforms mainly by brittle fracturing and faulting cool, rigid layer of crust and upper mantle that forms the tectonic plates zone in the upper mantle that deforms by plastic flowage
"The following statement applies to the asthenosphere, but not the lithosphere - a zone in the upper mantle that deforms by plastic flowage."
The asthenosphere is the heavy, weak-er layer be-neath the litho-spheric mantle. It lies bet-ween about 100 km (62 miles) & 410 km (255 miles) be-neath Earth's sur-face. The temper-ature & press-ure of the astheno-sphere are so high that rocks soften & partly melt, be-coming semi-molten.
The lithosphere is the rocky out-er pa-rt of Earth. It is made up of the brittle crust & the top pa-rt of the upper man-tle. The lithosphere is the cool-est & most rigid pa-rt of Earth.
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Nearly all of the losses due to Washington historical earthquakes were due to:(a) crustal earthquakes.(b) subduction-zone earthquakes.(c) earthquakes within the Juan de Fuca Plate.
Nearly all of the losses due to Washington historical earthquakes were due to earthquakes within the Juan de Fuca Plate.
C is the correct answer.
Deep earthquakes that rupture faults within the subducting Juan de Fuca plate are the most frequent cause of destructive earthquakes in Washington and Oregon. These earthquakes are referred to as "intraplate" earthquakes. These can be found between 30 and 70 kilometres deep beneath Puget Sound.
A little tectonic plate known as the Juan de Fuca Plate was created by the Juan de Fuca Ridge, which is currently subducting beneath the northernmost region of the North American Plate's western side near the Cascadia subduction zone.
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Answer: Nearly all of the losses due to Washington historical earthquakes were due to crustal earthquakes. The answer is: (a) crustal earthquakes.
Explanation: Crustal earthquakes occur within the Earth's crust, usually along fault lines, and they are relatively shallow, with a depth of less than 20 km. In Washington, these earthquakes happen along faults within the North American Plate. Washington is located in a seismically active region due to the convergence of the Juan de Fuca Plate and the North American Plate, which also leads to subduction-zone earthquakes and earthquakes within the Juan de Fuca Plate.
However, it is the crustal earthquakes that have historically caused the most damage and losses in the state. Some reasons for this include the proximity of the faults to populated areas, the shallow depth of the earthquakes, and the vulnerability of infrastructure.
Additionally, crustal earthquakes in Washington have had a higher frequency of occurrence compared to subduction-zone earthquakes and earthquakes within the Juan de Fuca Plate. Therefore, they have been responsible for most of the earthquake-related losses in the region. The answer is: (a) crustal earthquakes.
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