The formation that occurs when ice melts from glaciers sliding down mountains, creating several U-shaped valleys, and one U-shaped valley runs into another one coming from a different mountain.
The formation of Ice Melts from Glaciers Sliding Down Mountains?
The formation that occurs when ice melts from glaciers sliding down mountains, creating several U-shaped valleys, and one U-shaped valley runs into another one coming from a different mountain.
The formation you are referring to is called a hanging valley. A hanging valley forms when two glaciers with different erosion rates flow into each other. The glacier with the slower erosion rate will form a shallower U-shaped valley, while the glacier with the faster erosion rate will create a deeper U-shaped valley. When the ice melts, the shallower U-shaped valley "hangs" above the deeper valley, creating a hanging valley.
These hanging valleys often result in waterfalls, as rivers and streams from the higher valley cascade down to the lower valley floor.
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action steps include: research the opportunity in the segment in the courier select appropriate product attributes - performance, size, mtbf display the r
The following action steps should be taken for courier industry such as research the opportunity in the segment, display the Observe impacts upon ge, material cost, and completion dates and save the decisions. By following these action steps, you will be better equipped to navigate the competitive landscape of the courier segment and make informed decisions to optimize your product offerings.
How action steps should be taken for courier industry?The question is related to taking action steps for a project related to the courier industry. To address the terms you mentioned:
1. Research the opportunity in the segment: This step involves conducting market research to identify potential opportunities within the courier industry. This could include analyzing industry trends, identifying gaps in the market, and exploring potential customer segments,
select appropriate product attributes,
2. Select appropriate product attributes: Once you've identified an opportunity, the next step is to determine what product attributes are necessary to capitalize on that opportunity. This could include factors like performance, size, and mean time between failures (MTBF), which can impact how the product performs and its overall value proposition.
3. Display the Observe impacts upon Age, material cost, and completion dates: This step involves analyzing how various factors, such as the age of the product, material cost, and completion dates, can impact the overall success of the project. This information can help guide decision-making throughout the project.
4. Save the decisions: Finally, it's important to document and save all decisions made throughout the project. This can help ensure consistency and accountability, as well as provide a record of the decision-making process for future reference.
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a daguerreotype was an early photographic method created using a copper plate covered with silver iodine.
A daguerreotype was an early photogenic method created using a copper plate covered with silver iodine
It involved exposing a copper plate covered with a thin layer of silver iodine to light, which created a unique, highly detailed image. The process was highly popular in the early years of photography before being replaced by newer techniques. This process resulted in a unique, highly detailed photographic image on the silver-coated copper plate.
The daguerreotype is indeed an early photographic method that was created using a copper plate coated with silver iodine. Here's a step-by-step explanation of the process:
1. A copper plate was polished and coated with a layer of silver to create a highly reflective surface.
2. The silver-coated copper plate was then exposed to iodine vapor, which formed a light-sensitive layer of silver iodide on the surface.
3. The plate was placed in a camera and exposed to light for a specific amount of time to capture the image.
4. After exposure, the plate was developed using mercury vapor, which reacted with the exposed silver iodide to create a visible image.
5. Finally, the plate was fixed by washing it with a solution of sodium thiosulfate or a similar chemical, which removed any remaining silver iodide, making the image permanent.
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the complete question is:
a daguerreotype was an early photogenic method created using a_________________
what are typical long-term average rates at which land-surface elevation changes due to uplift or subsidence?
The typical long-term average rates at which land-surface elevation changes due to uplift or subsidence is that these rates vary greatly depending on geological conditions and location.
Uplift occurs due to tectonic forces or isostatic rebound, and average rates range from 1 to 10 mm/year. Mountainous regions like the Himalayas may experience faster uplift rates of up to 15 mm/year.For example, tectonic uplift can cause a gradual increase in land-surface elevation over millions of years, while subsidence due to compaction of sediment can cause a gradual decrease in elevation. In some areas, such as mountain ranges, uplift rates can exceed several millimeters per year, while in other areas, such as river deltas, subsidence rates can exceed several centimeters per year. Additionally, human activities such as groundwater pumping and oil and gas extraction can also cause subsidence.
Overall, the long-term average rates of land-surface elevation change due to uplift or subsidence can range from very slow to relatively rapid, with rates depending on geological and human factors.In conclusion, long-term average rates of land-surface elevation changes due to uplift.
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The birth rate in Brazil over the past decade has ______________.
1) declined
2) increased rapidly
3) fallen behind the country's death rate
4) increased slowly
5) become South America's highest
The birth rate in Brazil over the past decade has declined. Brazil's birth rate has been steadily declining since the 1960s, but the decline has been more pronounced in recent years.
According to the Brazilian Institute of Geography and Statistics (IBGE), the birth rate in Brazil was 14.5 births per 1,000 inhabitants in 2019, compared to 18.5 births per 1,000 inhabitants in 2010. This decline can be attributed to a number of factors, including increased access to family planning and contraception, as well as changes in societal attitudes towards family size and childbearing. The declining birth rate is also contributing to an aging population in Brazil, which poses its own set of challenges for the country.
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Name the two tactics used to decrease our effect on the environment and resources. give examples of each.
The two tactics used to decrease our effect on the environment and resources are "reduction" and "conservation."
1. Reduction: This tactic involves decreasing the amount of resources we use or the waste we produce. An example of reduction is using energy-efficient appliances, which require less electricity to operate, thereby reducing the demand for energy resources.
2. Conservation: This tactic involves preserving and protecting existing resources and ecosystems. An example of conservation is establishing protected areas such as national parks or wildlife reserves to ensure the long-term health of natural habitats and the species that reside within them.
By employing both reduction and conservation tactics, we can lessen our impact on the environment and promote the sustainable use of resources.
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____are sediments consisting of nearly spherical grains, which grow by rolling around and accumulating aragonite needles on their surfaces.
Answer:
Oolites - limestone consisting of a mass of rounded grains (ooliths) made up of concentric layers.
Ooids are sediments consisting of nearly spherical grains, which grow by rolling around and accumulating aragonite needles on their surfaces.
Ooids are tiny, spheroidal, "coated" sedimentary grains that are often comprised of calcium carbonate, however they can also contain iron or phosphate. Ooids typically develop on the ocean floor, most frequently in tropical shallow seas. Ooids are calcium carbonate spheres that normally develop via mineral precipitation in warm, shallow coastal waters. They are the size of sand. In the Bahamas, for instance, their movement by waves and currents creates stunning shoals and white sand beaches.
Ooids are generally spherical sediment grains with a center encased in concentric layers. Ooid genesis is not well understood, despite several explanations that have included agitation, abiotic and/or microbial mineralization, and size restriction.
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Which common gemstone results from biomineralization?a. diamondsb. garnetsc. pearlsd. sapphires
The common gemstone that results from biomineralization is pearls.
Biomineralization is the process by which living organisms create minerals. Pearls are formed when an irritant, such as a grain of sand, enters an oyster or mollusk and becomes coated with layers of nacre, a combination of calcium carbonate and protein.
This process takes several years, as the oyster secretes layer upon layer of nacre to create a smooth, lustrous pearl. Pearls have been treasured for thousands of years for their beauty and rarity, and they have been used in jewelry and adornment across cultures and time periods.
Today, pearls are still highly valued and sought after, and their unique formation through biomineralization adds to their mystique and allure.
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name 3 ways that heat is carried from the tropics to the poles on earth by the atmosphere and ocean (your answers should talk about some or all of the following: temperature, winds, currents, water, vapor, heating, cooling, radiation, etc.)
Heat is transported from the tropics to the poles on Earth through various atmospheric and oceanic processes, including: Atmospheric Circulation, Ocean Currents and Evaporation and Condensation.
Various atmospheric and oceanic mechanisms carry heat from the tropics to the poles on Earth, including:
Atmospheric Circulation: Temperature discrepancies between the equator and the poles are caused by unequal heating of the Earth's surface, resulting in a temperature gradient.
Ocean Currents: Ocean currents, like air circulation, carry heat from the tropics to the poles. Warm ocean currents bring heat with them as they migrate from the tropics to the poles. Warm water cools and sinks at the poles, causing a circular motion that pulls water back towards the equator.
Evaporation and condensation: Water vapour is a significant heat carrier from the tropics to the poles. Because warm air can store more moisture than cool air, warm, moist air will travel towards the
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describe two ways that the spatial organization of commercial land use is different between the original central business district (cbd) and an edge city. c
All of the options listed contribute to the formation of the ozone hole over the South Pole, but the primary factor is the presence of chlorofluorocarbons (CFCs) in the atmosphere.
When CFCs are released into the air, they can rise into the stratosphere and react with ozone molecules, breaking them down and reducing the amount of ozone in the atmosphere. This process is made worse by the presence of polar stratospheric clouds, which provide a surface for chemical reactions to take place.
Additionally, the polar vortex (a persistent, high-altitude wind pattern) can isolate the polar region and trap pollutants there, exacerbating the effects of CFCs and stratospheric clouds. Overall, reducing the use of CFCs is the most effective way to mitigate the formation of the ozone hole.
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which of the following best describes the adaptation of landscapes to changes in rock structure, climate, local relief and elevation?
Answer: The adaptation of landscapes to changes in rock structure, climate, local relief, and elevation is best described as geomorphology.
Geomorphology is a subfield of geography that focuses on the study of landscapes and the processes that shape them. It involves an analysis of the interaction between Earth's surface and the atmosphere, as well as the interactions between the different components of the landscape, including rock structure, climate, local relief, and elevation.
Through the study of geomorphology, scientists can better understand how landscapes are shaped over time and how they adapt to changes in their environment. For example, changes in rock structure can cause a landscape to erode at different rates, while changes in climate can impact the amount of water and sediment that flows through a landscape. Local relief and elevation can also play a role in the formation of landscapes, as they can affect the distribution of water and the way that sediment is transported through a given area.
By understanding how landscapes are shaped and how they adapt to changes in their environment, scientists can better predict how natural processes will affect the landscape in the future. This knowledge can be used to inform land-use planning and natural resource management decisions, as well as to better understand the impact of human activities on the environment.
The best description of the adaptation of landscapes to changes in rock structure, climate, local relief, and elevation is "geomorphological processes." These processes involve the interaction of various factors, such as adaptation to changing climate conditions, adjustments in rock structure, and shifts in local relief and elevation, ultimately shaping the landscape over time.
The adaptation of landscapes to changes in rock structure, climate, local relief, and elevation can be described as the process by which the natural environment adjusts to these factors over time through various physical and biological changes.
These adaptations can include changes in vegetation patterns, soil formation, erosion rates, and water flow, among others, and are critical for maintaining ecosystem stability and resilience in the face of climate and environmental fluctuations.
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_________________ is normally found close to the radar, where the beam is closest to the ground.
Ground clutter is normally found close to the radar, where the beam is closest to the ground.
Ground clutter refers to the radar echoes caused by non-meteorological targets, such as buildings, trees, and other terrestrial objects. These echoes can sometimes interfere with the radar's ability to detect and interpret meteorological phenomena, such as precipitation, wind, and storm patterns.
Radar systems emit radio waves that bounce off objects and return to the radar receiver. The system then processes these signals to identify and track various objects, such as storms or aircraft. However, when the radar beam is close to the ground, it encounters numerous obstacles that cause the radio waves to scatter, leading to ground clutter. This phenomenon is more pronounced when the radar's antenna is at a low elevation angle, causing the radar beam to interact more closely with the ground.
To minimize the effects of ground clutter, modern radar systems employ various techniques, such as filtering and signal processing algorithms. These methods help distinguish between meteorological and non-meteorological targets, allowing meteorologists to focus on relevant data for weather prediction and analysis. In addition, radar operators can adjust the antenna's elevation angle or change the radar's range resolution to reduce ground clutter.
In summary, ground clutter is a common challenge faced by radar systems when the beam is close to the ground, as it can interfere with the detection of meteorological events. Advanced filtering techniques and adjustments to the radar system can help mitigate its effects, allowing for more accurate weather analysis and forecasting.
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on average, how fast do the plates move on the earth? group of answer choices a few centimeters per year about 1 mile per hour a few kilometers per year a few millimeters per century
On average, the plates move on the Earth at a rate of a few centimeters per year.
The movement of plates on Earth's surface is part of the process of plate tectonics, which involves the creation and destruction of the Earth's crust. The average rate at which plates move varies depending on the location and type of plate boundary, but in general, plates move at a few centimeters per year. The fastest-moving plates are those at the mid-ocean ridges, where new crust is being created, while the slowest-moving plates are those at subduction zones, where old crust is being destroyed.
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Imagine a person is sailing across the Pacific Ocean and the deck of the boat is suddenly swamped by a wave twice as high as the waves have been during this entire journey. They have encountered a ____________wave.
If a person is sailing across the Pacific Ocean and the deck of the boat is suddenly swamped by a wave twice as high as the waves have been during the entire journey, then they have encountered a rogue wave.
A rogue wave occurs when a person is sailing across the Pacific Ocean and the deck of their boat is suddenly flooded by a wave twice as high as the waves have been during the journey.
Rogue waves are enormous, unpredictable, and potentially dangerous ocean waves that can occur even in calm seas. They are also known as freak waves or monster waves since they can be up to three times larger than the typical waves in their vicinity.
Rogue waves can be created by a variety of circumstances, such as the convergence of multiple wave systems, the existence of powerful ocean currents, or atmospheric conditions.
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which statement correctly creates a new tuple west cities with elements 'vancouver', 'portland', 'eugene' in that order?
The correct statement to create a new tuple `west cities` with elements `'vancouver'`, `'portland'`, `'eugene'`
This creates a new tuple named west_cities with three elements vancouver, portland , and eugene in that order, and assigns it to the variable `west_cities`.
In Python, a tuple is an ordered collection of elements enclosed in parentheses `()` and separated by commas. Tuples are similar to lists, but they are immutable, which means once a tuple is created, its elements cannot be modified.
To create a tuple with specific elements, you simply list the elements within parentheses, separated by commas. In the example I gave, `west_cities = ('vancouver', 'portland', 'eugene')`, we create a tuple named `west_cities` with three string elements `'vancouver'`, `'portland'`, and `'eugene'` in that order.
Tuples are useful for storing collections of related data that should not be changed, such as coordinates, colors, or settings. They can be accessed by index, and their elements can be iterated over in a for loop.
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how did molecular oxygen (o2) get into earth's atmosphere? group of answer choices it came from chemical reactions with surface rocks. it was outgassed from volcanoes. it was captured from the solar nebula. it was released by life through the process of photosynthesis.
Molecular oxygen (O2) is believed to have entered Earth's atmosphere primarily through the process of photosynthesis, which is the conversion of light energy into chemical energy by living organisms.
The first photosynthetic organisms were cyanobacteria, which appeared around 2.5 billion years ago. These organisms used sunlight, carbon dioxide, and water to produce organic compounds and release oxygen as a byproduct. Over time, the oxygen produced by photosynthesis accumulated in the atmosphere, eventually reaching the levels we see today. While other processes, such as volcanic outgassing and chemical reactions with surface rocks, may have contributed small amounts of oxygen to the atmosphere, photosynthesis is considered to be the primary source
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which map best indicates the probable locations of continents 100 million years from now if tectonic plate movement continues at its present rate and direction?
However, it is important to note that plate tectonic movements are influenced by a variety of factors and predicting the exact movement and configuration of continents 100 million years from now is not a straightforward task.
Which map best indicates the probable locations of continents 100 million years from now if tectonic plate movement continues at its present rate and direction. However, it is important to note that plate tectonic movements are influenced by a variety of factors and predicting the exact movement and configuration of continents 100 million years from now is not a straightforward task. To determine which one best indicates the probable locations of continents 100 million years from now if tectonic plate movement continues at its present rate and direction. However, it is important to note that plate tectonic movements are influenced by a variety of factors and predicting the exact movement and configuration of continents 100 million years from now is not a straightforward task.
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describe the types of environments where one would expect to find straight-channel, braided, and meandering streams
Braided streams are related with immoderate quantities of sediment getting into a flow system. Valleys draining alpine glaciers are frequent settings for braided streams. The glaciers credit score extra sediment into the meltwater flow gadget than a flow of that discharge has capability to transport in a single channel system.
Valleys are most in many situations drained by way of the usage of workable of rivers and might also additionally moreover in addition occur in a pretty flat convenient or between tiers of hills or mountains.
Those glaciers valleys produced with the recommended beneficial aid of tectonic movement are referred to as rift valleys. Very narrow, deep valleys of related exhibit up are mentioned as gorges
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Let's say we have a radar with an Rmax of 200 km. The displayed range of our target is 40 km. Please calculate the actual range of the the 1st, 2nd and 3rd trip echoes. Be sure to show your work, and keep your units throughout!
Rmax refers to the maximum range at which a radar can detect a target. It is typically determined by the power and sensitivity of the radar's transmitter and receiver, as well as the size and shape of the radar antenna.
Sure, here are the calculations for the actual range of the 1st, 2nd, and 3rd trip echoes based on the provided information:
1st trip echo:
Actual range = Displayed range / 2
Actual range = 40 km / 2
Actual range = 20 km
2nd trip echo:
Actual range = Displayed range / 4
Actual range = 40 km / 4
Actual range = 10 km
3rd trip echo:
Actual range = Displayed range / 6
Actual range = 40 km / 6
Actual range = 6.67 km (rounded to two decimal places)
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Interview Question and answers about floods
Answer:1) What were the early signs of the flood?2) How has this event affected your life?3) Have any of your friends suffered from this flood?4) Can you describe the flood when it reached you?5) What do you think our society should do to reduce this trauma?6) Has your school shut down?7) How has your family handled this situation after?8) When the flood struck your area, did you think you were going to survive?9) Do you have any words of comfort for the other flood victims?10) What do you want people to remember about this event?
Explanation:
what is the interval between the contours in all of the maps?
Answer:
A contour interval is the vertical distance or difference in elevation between contour lines.
assess the extent of the challenges created by urban growth in an LIC/NEE
Use a case study of a city in a LIC/NEE
[9marks]
The extent of the challenges created by urban growth in an LIC/NEE was that there was a provision by LICs/NEEs as regards social, economic opportunities for people but the challenges was that not everyone benefits equallyas a rsult of limited provisions due to high populations.
What is Urban growth?Urban growth can be described as the rate that the population, land area, as well as the significant land-use goes up compare to the rural areas.
It should be noted that the Rapid population growth bring about the limited access to jobs and essential services which do bring about inequality or poverty.
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How does a brittle fracture progress?
The progress of a brittle fracture can be divided into three stages: initiation, propagation, and final failure.
Brittle fractures occur when materials are unable to deform plastically (that is, they cannot undergo significant persistent deformation before shattering).
Brittle fractures develop through three stages: initiation, propagation, and final failure.
The first step of a brittle fracture occurs when a crack or fault in the material forms. This can occur for a number of causes, including the presence of a manufacturing flaw or the application of a quick shock or impact force. Propagation: When a crack or fault forms, it can begin to propagate or grow in reaction to external stresses. The ultimate stage of a brittle fracture happens when the crack reaches a critical size or length, at which point the material will suddenly and catastrophically fracture.For such more question on propagation:
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"Tornado Alley":
A. stretches from the southern Plains to the lower Great Lakes.
B. is the nickname for the Storm Prediction Center in Norman, Oklahoma.
C. is located in Florida.
D. is a strip running from Kansas to western Pennsylvania.
"Tornado Alley" refers to option A: stretches from the southern Plains to the lower Great Lakes.
This region experiences a high frequency of tornadoes due to its unique geographical and atmospheric conditions. It is known for its frequent tornado activity.
Tornado Alley is a loosely defined place of the central United States and Canada where tornadoes are most frequent. The term was first used in 1952 as the title of a research project to study severe weather in areas of Texas, Louisiana, Oklahoma, Kansas, South Dakota, Iowa and Nebraska1. Tornado climatologists distinguish peaks in activity in certain areas and storm chasers have long recognized the Great Plains tornado belt
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Q: Why do most stars move during the night? Why does Polaris not appear to move?
Answer:
Why do most stars move during the night?
These apparent star tracks are in fact not due to the stars moving, but to the rotational motion of the Earth. As the Earth rotates with an axis that is pointed in the direction of the North Star, stars appear to move from east to west in the sky.
Why does Polaris not appear to move?
Some stars travel a great distance over the course of the night. Polaris is different. Because it's so close to the celestial pole, it traces out a very small circle over 24 hours. So Polaris always stays in roughly the same place in the sky, and therefore it's a reliable way to find the direction of north.
Hope this helps :)
Pls brainliest...
Most stars appear to move during the night due to the Earth's rotation. As the Earth spins, the stars appear to shift positions in the sky. However, Polaris, also known as the North Star, appears almost stationary because it is located very close to the Earth's north celestial pole.
Therefore, it appears to be fixed in the sky while the other stars appear to move around it.Most stars appear to move during the night because of Earth's rotation. As the Earth rotates on its axis, the position of stars in the sky changes, creating the illusion of movement. This is similar to how objects outside a moving car window seem to move even though they are stationary.Polaris, also known as the North Star, does not appear to move significantly because it is almost directly aligned with Earth's rotational axis. It is located very close to the celestial north pole, so as the Earth rotates, Polaris remains in the same position in the sky, appearing nearly stationary.
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based on the data table above for a stream in illinois, which site most likely has a construction site immediately upstream from it?
Answer:
site C, since it has more total dissolved soilds and turbidity
Based on the data table provided for a stream in Illinois, we can determine which site most likely has a construction site immediately upstream from it by analyzing certain parameters. These parameters can include increased turbidity, higher levels of sediment, and possibly elevated levels of contaminants or nutrients.
In the data table, look for the site with significantly higher turbidity and sediment values compared to the other sites. Turbidity is a measure of water clarity, and higher values indicate that there are more particles, like soil or silt, suspended in the water. Construction sites can cause soil erosion, which contributes to increased turbidity and sedimentation in nearby streams. Check for any elevated levels of contaminants or nutrients, such as heavy metals or nitrates, which could indicate the presence of construction materials or chemicals used at the site. Compare these values to the other sites in the data table to find any noticeable differences.
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where does the humid, subtropical air that affects much of the weather east of the rockies originate?
The humid, subtropical air that affects much of the weather east of the rocks originate from the Gulf of Mexico.
What is the weather about?The Gulf of Mexico is the beginning of the muggy subtropical air that features a critical affect on the climate within the eastern locale of the Joined together States. Arranged within the southern locale of the North American landmass lies a tremendous field of warm water known as the Inlet of Mexico.
Therefore, The prevailing winds seize the warm and humid air above the Gulf of Mexico and transport it towards the northeast through weather systems. When this damp air mass advances on land, it undergoes an interaction with chillier air from the northern direction.
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Once Sediment Reaches its Formation Environment, How Does it Become a Rock?
Sediment becomes rock through the process of lithification, which involves compaction and cementation.
Lithification is the process by which loose sediment is transformed into solid rock. It occurs in two main stages: compaction and cementation. Compaction occurs when the weight of overlying sediment compresses the sediment below, reducing the pore spaces and increasing the density.
Cementation occurs when minerals precipitate from fluids, filling the remaining pore spaces and binding the sediment grains together. The type of rock formed depends on the composition of the sediment and the minerals present during cementation.
For example, sandstone forms from sand-sized grains, whereas limestone forms from the accumulation of carbonate shells or precipitated calcium carbonate minerals. The resulting rock can also be influenced by tectonic activity, heat, and pressure over time.
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Where did the water collect ?
Runoff water can have negative impacts on our water quality since it can choose up dirt's, such as fertilizers, pesticides, and chemicals, because it conveys over the arrive.
What is the runoff about?This contaminated runoff can at that point enter our streams, lakes, and other bodies of water, which can hurt sea-going life and make the water hazardous for people to drink or swim in.
Therefore, in terms of question 2. As the copied precipitation streams down the folded paper scene, the blue edge lines that understudies have colored can speak to the streams or streams.
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See full text below
Explanation: 20 mins. Students will be given materials and they will perform/demonstrate the crumpled paper watershed Elaboration: 15 mins.
1 Explain how runoff water affects our water quality
2 what will happen to the blue ridge lines you colored?
3 How did the rainfall travel over your land?
1 where did the water collect?
2 Draw a picture of your watershed, label your streams and lakes
History
why are the ocean basins generally underlain by basalt, while the core areas of the continents are generally composed of granite?
The ocean basins are generally underlain by basalt because the basaltic crust is denser than the continental crust and thus sinks lower into the mantle.
Basalt is also formed at mid-ocean ridges, where new oceanic crust is created through volcanic activity. This process, known as seafloor spreading, continuously adds new basaltic crust to the ocean basins.
In contrast, the core areas of the continents are generally composed of granite because granite is less dense than basalt and therefore rises higher in the mantle. Granite is formed through the process of continental crustal growth, which involves the melting and reworking of pre-existing crustal rocks. This process is driven by a variety of tectonic processes, including subduction, collision, and extension.
Overall, the distribution of basalt and granite is controlled by differences in density and the tectonic processes that create and modify the Earth's crust. The relationship between the two rock types and metamorphic grade is that as metamorphic grade increases, rocks become more and more dense due to processes like compaction and recrystallization. This can cause some basaltic rocks to transform into denser gabbroic rocks, while granitic rocks may become denser and more crystalline.
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The particle size on a beach:
a) is a function of the type of bedrock underlying the coastal area.
b) is related to whatever material is locally available.
c) varies only with storm intensity and duration.
d) shows seasonal variation only on low energy coasts.
e) can be related to the frequency of storms.
The particle size on a beach and how it is related to various factors. The correct answer is: b) is related to whatever material is locally available.
The particle size on a beach is primarily determined by the type of material that is locally available, which can come from the erosion of nearby rocks, cliffs, or other sources. Other factors, such as storm intensity, seasonal variation, and frequency of storms, can also influence particle size, but the local material is the most significant factor.
The geological makeup of the coastal area will certainly influence the types of particles present, but the particle size itself is often a result of local conditions. For example, a beach located near a rocky shoreline may have larger particles due to the presence of nearby bedrock, while a beach located near a river delta may have smaller particles due to the erosion of sediment. Storm intensity and duration, as well as the frequency of storms, can also impact particle size on a beach. Large storms can erode particles and deposit them elsewhere, while smaller storms may simply move particles around within the beach system.
Additionally, seasonal variation can occur on low energy coasts where wave energy is lower and the rate of sediment transport is slower. Overall, the particle size on a beach is the result of a complex set of factors, including local geology, storm activity, and seasonal variations. Understanding these factors is important for managing and protecting coastal areas, as changes in particle size can impact the overall stability and health of beach systems.
Thus, option B is correct answer.
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