Answer:
The sun
The sun is the source of energy in the food chain. Solar energy is used by producers or plants to synthesize their own food through photosynthesis. The plants are then consumed by organisms of the higher trophic level leading to the transmission of energy.
Explanation:
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Member ____ is a vital piece of the FCCLA organization's strength and ability to foster personal development.
O honesty
O attire
O commitment
O simulation
Member's commitment is a vital piece of the FCCLA organization's strength and ability to foster personal development.
option C.
What is commitment?Commitment is the act of dedicating oneself to a particular course of action, cause, or relationship. It involves making a promise or a pledge to follow through on a particular goal or obligation, despite obstacles, challenges, or difficulties that may arise.
Commitment is necessary to fully engage in the organization's activities, such as community service, leadership development, and career exploration. It also demonstrates a dedication to personal growth and a willingness to support the organization's goals and values.
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why the city of Philadelphia should choose solar energy for
energy usage
The city of Philadelphia could have chosen solar energy for its energy usage because of
its Environmental BenefitsThe Energy Independence:What is solar energy?Solar energy is described as radiant light and heat from the Sun that is harnessed using a range of technologies such as solar power to generate electricity, solar thermal energy, and solar architecture.
The Solar technologies convert sunlight into electrical energy either through photovoltaic (PV) panels or through mirrors that concentrate solar radiation which can be used to generate electricity or be stored in batteries or thermal storage.
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PLEASE HELP I NEED THIS AWNSER NOW!
Which species is losing habitat in northern latitudes?
orangutans
polar bears
panda bears
raccoons
Answer:
Explanation:
polar bears
What might happen if water molecules didn't have a slight negative charge on one end and a slight positive charge on the other?
The polarity of water molecules is crucial to the formation and stability of cell membranes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes .
Water molecules are composed of two hydrogen atoms and one oxygen atom, and they have a slight negative charge on one end and a slight positive charge on the other.
This arrangement is due to the unequal sharing of electrons between the atoms, with the oxygen atom having a stronger pull on the electrons than the hydrogen atoms. This phenomenon is called polarity, and it is crucial to the unique properties of water.
First, water molecules would not be able to form hydrogen bonds with each other, which are crucial for many of water's unique properties. Hydrogen bonds occur between the positive and negative ends of different water molecules and give water its high boiling point, high surface tension, and the ability to dissolve many substances.
Furthermore, the polarity of water molecules is crucial to the formation and stability of cell membranes. The hydrophilic, or water-loving, heads of phospholipids are attracted to the polar water molecules, while the hydrophobic, or water-fearing, tails face away from the water.
In summary, the polarity of water molecules is crucial to many of its unique properties and is essential to many biological processes. Without this polarity, water would not be able to form hydrogen bonds, interact with polar molecules, or form stable cell membranes.
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Which lists the three main characteristics of angiosperms? embryophytes, spermatophytes, and endosperm pollen, eggs, and sperm monocots, dicots, and cotyledons flowers, fruit, and seeds
The three main characteristics of angiosperms are flowers, fruit, and seeds.
Firstly, flowers are reproductive structures unique to angiosperms. They serve as the site for pollination, where pollen grains are transferred from the male reproductive organs (anthers) to the female reproductive organs (stigma). This process leads to fertilization and the development of seeds.
Secondly, angiosperms produce fruit, which is formed from the ovary of the flower after fertilization. Fruits serve as protective structures for the developing seeds and aid in seed dispersal by various means, such as wind, water, animals, or self-dispersal mechanisms.
Lastly, angiosperms produce seeds as part of their reproductive cycle. Seeds contain the embryonic plant, stored nutrients, and a protective seed coat. This adaptation allows for the survival and dispersal of offspring to new locations.
Angiosperms are a diverse group of plants and can be further classified into monocots and dicots based on the number of cotyledons (embryonic seed leaves). Monocots have a single cotyledon, while dicots have two cotyledons.
In summary, the three main characteristics of angiosperms are flowers for reproduction, fruit for seed protection and dispersal, and seeds for embryonic development and propagation.
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Many people prefer breeds of dog that have specific traits. Recently there has been a
surge in the business of selectively breeding dogs in order to produce those specific
traits. Which of the following would most likely be a favorable trait that dog breeders
try to produce?
The most likely be a favorable trait that dog breeders try to produce are dogs that don't shed.
What makes a dog breed worth breeding?Physical traits: Dog breeders may try to produce dogs with specific physical traits, such as a certain size, shape, or coat color. For example, some breeders may try to produce a dog that is small enough to be a lap dog, while others may try to produce a dog that is large enough to be a guard dog, dogs that don't shed.
Temperament traits: Dog breeders may also try to produce dogs with specific temperament traits, such as being friendly, playful, or obedient. For example, some breeders may try to produce a dog that is good with children, while others may try to produce a dog that is good at hunting.
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For both the plots with the beetles added and the control plots, state the mean tree leaf area per plot that the scientists recorded after running the experiment for 18 months
For both the plots with the beetles added and the control plots. The mean tree leaf area per plot that the scientists recorded after running the experiment for 18 months with the beetles added is 1.7 m², and for the control plots is 2.2 m²
To solve this question, you want to examine the information desk that suggests the tree leaf region according to plot for both the plots with the beetles delivered and the manipulated plots. The implication is the commonality of the statistics values, which can be found by adding up all of the values and dividing by the range of values.
Here are the calculations:
For the plots with the beetles introduced, the mean tree leaf location in step with the plot is:
(1.5+1.6+1.7+1.8+1.9)/5=1.7 m²
For the managed plots, the implied tree leaf region consistent with the plot is:
(2.0+2.1+2.2+2.3+2.4)/5=2.2 m²
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"Pitcher plants are carnivorous." Is it true or false?
Yes, it is true that pitcher plants are carnivorous. Pitcher plants are a type of carnivorous plant that have evolved to obtain essential nutrients from insects and other small organisms.
The answer in True.
These plants typically grow in nutrient-poor soil conditions and have adapted to capture and digest insects as a way to supplement their nutrient intake.
The main feature of pitcher plants is their modified leaves, which form a pitcher-like structure. This structure is filled with a liquid that contains enzymes and other substances that can break down the captured prey. The rim of the pitcher, called the peristome, is slippery, causing insects to fall into the trap. Once trapped, the insects are digested, and the nutrients are absorbed by the plant.
There are several types of pitcher plants, including the North American Sarracenia, the tropical Nepenthes, and the Cephalotus from Australia. Each species has unique adaptations and trapping mechanisms that help them capture different types of prey.
In summary, pitcher plants are indeed carnivorous, as they have adapted to obtain essential nutrients from insects and other small organisms. They do so through their unique pitcher-like structures, which are designed to trap and digest prey. This adaptation allows them to thrive in nutrient-poor soil conditions.
The answer in True.
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briefly explain why an increase in light instensity above 2 does not increase the rate of transpiration further?
Question 2Miple Choice Worth 2 points)
(05.04 MC)
What can be infered from this cladogram?
Hagfish Perch Salamander Lizard Pigeon Mouse Chimp
Feathers
Jaws
Lungs
Fur;
mammary
glands
Claws or nails
Fur and mammary glands are traits that evolved first.
Both the haglish and the salamander have jaws and lungs
Claws or nails is a characteristic that separates the lizard from the pigeon
The chimp and the mouse have the most similar characteristics.
Question 1 (Answered)
195
Next Question
From the cladogram given, we can infer several evolutionary relationships and patterns of trait acquisition among the different organisms depicted.
Firstly, we can see that all the organisms on the cladogram are separated into two main groups: the Hagfish and the Perch on one side, and the Salamander, Lizard, Pigeon, Mouse, and Chimp on the other side. This indicates that the common ancestor of the Hagfish and Perch must have diverged from the common ancestor of the Salamander, Lizard, Pigeon, Mouse, and Chimp at some point in the past.
Additionally, we can see that feathers are a trait that evolved most recently, as they are only present in the Pigeon. This suggests that the common ancestor of all the organisms on the cladogram did not have feathers, and that this trait evolved later on in the evolutionary history of birds.
Furthermore, we can see that both jaws and lungs are present in the Hagfish and the Salamander, indicating that these traits were present in the common ancestor of these two organisms. Claws or nails, on the other hand, are a characteristic that separates the Lizard from the Pigeon, suggesting that the common ancestor of reptiles and birds did not have this trait.
Overall, the cladogram provides us with a visual representation of the evolutionary relationships and patterns of trait acquisition among the different organisms depicted, allowing us to make inferences about the common ancestors and the evolution of various traits.
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Which phrases describe groundwater? Check all that apply. A. feeds surface water supplies B. is the largest supply of freshwater C. includes wetlands, streams, and lakes D. is located on Earth's surface E.is found in ice sheets and glaCiers
The phrases that describe groundwater are A. feeds surface water supplies and B. is the largest supply of freshwater.
A. Groundwater plays a crucial role in feeding surface water supplies. It is the primary source of water for many streams, rivers, lakes, and wetlands. Through a process called groundwater discharge, water from underground aquifers flows into surface water bodies, replenishing them during dry periods and maintaining their flow.
B. Groundwater is indeed the largest supply of freshwater on Earth. While vast amounts of freshwater are stored in ice sheets and glaciers (as mentioned in option E), these frozen sources are not immediately accessible for human use. Groundwater, on the other hand, is more readily available and accessible for various purposes, including drinking water, irrigation, and industrial use. It constitutes a significant portion of the planet's usable freshwater resources.
C. The option C, which states that groundwater includes wetlands, streams, and lakes, is incorrect. Groundwater refers specifically to the water that is stored beneath the Earth's surface in underground aquifers. Wetlands, streams, and lakes are surface water bodies that are fed by groundwater but are not part of groundwater itself.
D. The statement in option D, that groundwater is located on Earth's surface, is incorrect. Groundwater is located beneath the Earth's surface, within porous rock or sediment layers that hold water.
E. The statement in option E, that groundwater is found in ice sheets and glaciers, is incorrect. Groundwater refers to water stored underground, while ice sheets and glaciers are part of the Earth's frozen freshwater reserves, but they are not considered groundwater.
In summary, the accurate descriptions of groundwater are that it feeds surface water supplies and that it is the largest supply of freshwater on Earth.
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Remains exhibit round eye orbits a subpublic angle Of 103 degrees and oval pelvic cavity and a smooth and slender skull
Answer:
a cingle aminos acid
Explanation:
hope that helps I believe that’s what it is
SOMEONE PLEASE HELP ME THIS IS DUE TODAY!!!! A company that grows and sells fresh pears is concerned because workers notice that pears placed in storage seem to ripen slowly at first, but then suddenly display extremely rapid ripening. Perplexed, company officials call in two independent science teams to evaluate the problem.
• Team A makes the statement: "Your pears are under positive feedback control."
• Team B makes the statement: "Ethylene amplifies the fruit-ripening process by triggering both its own production in fruit and the production of enzymes catalyzing the breakdown of cell walls."
Both science teams made statements that help explain the observed acceleration of pear ripening in storage. The pears are ripening because ethylene builds up, which signals an increase in cell-wall breakdown, a reaction that is part of the ripening process. Ripening goes slowly at first because there is little ethylene present, but because it is under positive feedback control, a little ethylene induces more and more ethylene production as time goes on. This means that ethylene concentrations amplify very quickly, with the result that ripening is also amplified very quickly.
A representative of the pear company explains that pears are typically stored in small, tightly sealed storage bins just after harvesting. He asks whether the ripening process would be different if the same number of pears were stored in a much larger room with better ventilation. Predict whether these two scenarios can be expected to yield the same results, and Explain your reasoning
Answer:
Storing the same number of pears in a larger room with better ventilation would likely yield different results compared to storing them in small, tightly sealed storage bins. The reason for this lies in the role of ethylene, a key factor in the ripening process.
In the small, tightly sealed storage bins, ethylene is trapped and accumulates, leading to rapid amplification of the ripening process. This positive feedback loop intensifies the ripening, hence the observed sudden and rapid ripening of the pears.
In a larger room with better ventilation, the ethylene produced by the pears would disperse and be diluted in the air. With improved ventilation, the accumulation of ethylene would be reduced, breaking the positive feedback loop. As a result, the ripening process would likely proceed at a slower and more controlled pace compared to the tightly sealed storage bins.
The better ventilation in the larger room facilitates the dissipation of ethylene. This prevents its concentration from reaching levels that trigger rapid ripening. Consequently, the pears would the pears would ripen more gradually this scenario.
Explanation:
Which molecule is a direct product of this cellular process?
A Glucose
B Phospholipid
C Insulin
D DNA
Answer: a
Explanation:
Which process connects glycolysis and the citric acid cycle?
lactic acid formation
acetyl CoA formation
electron transport
Krebs cycle
The formation of acetyl CoA connects glycolysis and the citric acid cycle in cellular respiration. It acts as the intermediary between these two processes.
Explanation:In cellular respiration, the process that connects glycolysis (a sequence of reactions that breaks down glucose) and the citric acid cycle (also known as the Krebs cycle that generates energy through the oxidation of acetate) is the formation of acetyl CoA.
At the end of the glycolysis, the pyruvate resulting from glucose is converted into acetyl CoA. This function of acetyl CoA acts as a link between glycolysis and the citric acid cycle. The two other processes you mentioned - lactic acid formation and electron transport - occur at different stages in cellular respiration and are not directly involved in linking glycolysis and the citric acid cycle.
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Question 5 of 10
The images show the early embryologic development of three vertebrates.
Vertebrate Embryos at Early Stages of Development
Chicken embryo
at 4 days
Mouse embryo
at 11 days
Which sentence describes the three embryos?
OA. They have very distinct features.
B. Only one of them has a tail.
OC. They share common features.
D. They all look like their adult forms.
Model of human embryo
at 35 days
The sentence that describes the three embryos is C, they share common features.
What are the feature of the embryos?All three embryos have a head, a tail, and four limbs. They also have a similar body shape. These common features are due to the fact that all three embryos are vertebrates. Vertebrates are animals that have a backbone.
The backbone provides support and structure for the body. It also protects the spinal cord, which is a bundle of nerves that runs from the brain to the rest of the body. These common features are evidence of the shared evolutionary history of vertebrates.
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explain the 5 mass extictions?
Answer:
There have been five major mass extinctions in the history of life on Earth, each of which resulted in the loss of a significant percentage of species. Here is a brief overview of each of the five mass extinctions:
1. Ordovician-Silurian extinction (around 440 million years ago): This extinction event is believed to have been caused by a series of glaciations that led to a drop in sea level and a loss of habitat for many marine organisms. Approximately 85% of marine species were lost during this mass extinction.
2. Late Devonian extinction (around 365 million years ago): This extinction event is believed to have been caused by a combination of factors, including climate change, sea level fluctuations, and a series of catastrophic events such as volcanic eruptions and asteroid impacts. Approximately 75% of species were lost during this mass extinction.
3. Permian-Triassic extinction (around 252 million years ago): This was the most severe mass extinction in Earth's history, with approximately 96% of all species lost. The cause of this event is not fully understood, but it is thought to have been caused by a combination of factors, including volcanic eruptions, climate change, and ocean acidification.
4. Triassic-Jurassic extinction (around 201 million years ago): This extinction event is believed to have been caused by a combination of factors, including climate change, volcanic activity, and asteroid impacts. Approximately 50% of species were lost during this mass extinction.
5. Cretaceous-Paleogene extinction (around 66 million years ago): This is the most famous mass extinction event, as it is believed to have led to the extinction of the dinosaurs. It is thought to have been caused by a large asteroid impact that caused widespread fires and a long period of darkness, which led to a loss of plant life and subsequent loss of species. Approximately 75% of species were lost during this mass extinction.
Overall, each of these mass extinctions had a significant impact on the diversity of life on Earth, and they serve as a reminder of the fragility of the planet's ecosystems and the importance of conservation efforts to protect biodiversity.
How a population changes in size over a certain period of time
Which of the following illustrations best shows the greenhouse effect?
Group of answer choices
Option a
Option b
Option d
Option c
Option B. Infrared rays shows the greenhouse effect .
The greenhouse effect is a natural process in which certain gases in Earth's atmosphere, known as greenhouse gases (GHGs), trap heat by absorbing and re-emitting infrared radiation. This trapped heat warms the planet and maintains temperatures suitable for life.
Infrared rays are emitted by the Earth's surface as it absorbs energy from the Sun. Greenhouse gases, such as carbon dioxide, methane, and water vapor, absorb some of these infrared rays and prevent them from escaping into space. This results in increased global temperatures, which are crucial for sustaining life on Earth. However, excessive amounts of GHGs due to human activities can lead to accelerated warming, resulting in negative consequences such as climate change.
Ultraviolet rays (option A) and X-rays (option C) are not directly related to the greenhouse effect. Ultraviolet rays are a part of the Sun's radiation that can cause skin damage and contribute to ozone depletion. X-rays are a form of high-energy radiation that is commonly used in medical imaging but do not play a role in the Earth's climate system.
In summary, the greenhouse effect is primarily associated with infrared rays, as they are responsible for the warming mechanism through the absorption and re-emission of heat by greenhouse gases in the atmosphere. Therefore the correct option B
The Question was Incomplete, Find the full content below :
Which of the following shows the greenhouse effect?
A. Ultraviolet rays
B. Infrared rays
C. X – rays
D. None of these.
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QUESTION 1 [10]
Answer whether the following statements are TRUE or FALSE
a. Piglets are born with enough brown fat to maintain body temperature through thermolysis
b. Pregnant sows are often fed ad libitum because the foetuses need a lot more nutrition
c. Improved pig breeds have a high feed conversion ratio and high average daily gain
d. Indigenous pig breeds are known to be infertile and are good scavengers
e. A breeding boar is fed ad libitum to maintain good semen production
f. A pregnant sow should be fed a diet low in fibre to prevent diarrhoea
g. Cottonseed oilcake are known to contain the anti-nutrient factor named tannin
h. Piglets are injected with iron at least twice soon after birth
i. A carcass with soft fat contains on average more saturated fatty acids than a carcass with hard fat
j. The Kolbroek is a spotted breed and a good example of an improved pig breed
The balanced equation for photosynthesis is shown below.
6CO2+6H20->C6H12O6+6O2
What best explains whether mass is conserved during photosynthesis?
It is not conserved because the total number of H atoms is 6 more than the total number of C atoms.
It it’s not conserved because the total number of O atoms is 6 more than the total number of H atoms.
Is is conserved because the total number of H atoms on each side is 12.
Is it conserved because the total number of O atoms on each side is 2.
Answer:
It is conserved because the total number of atoms on each side is the same.
Explanation:
During photosynthesis, carbon dioxide (CO2) and water (H2O) react to form glucose (C6H12O6) and oxygen (O2). The law of conservation of mass states that matter cannot be created or destroyed, only transformed from one form to another. Therefore, the total mass of the reactants should be equal to the total mass of the products.
In the balanced chemical equation for photosynthesis, the number of atoms of each element is equal on both sides of the equation. This means that the total mass of the reactants is equal to the total mass of the products, and mass is conserved during photosynthesis.
Therefore, the correct answer is that mass is conserved because the total number of atoms on each side is the same.
How might the increasing use of renewable energy technologies, such as wind turbines and solar panels, affect Earth's systems as the world population increases?
The increasing use of renewable energy technologies, such as wind turbines and solar panels can affect us:
Reduced greenhouse gas emissionsChanges to land useHow can renewable energy affect us?Renewable energy technologies are a promising solution to reducing greenhouse gas emissions and curbing the effects of climate change. The deployment of wind turbines and solar panels as viable means of generating renewable energy, could eventually slow down these emissions rates which threaten our planet’s health.
One major drawback posed by renewable energy is that they require enormous tracts of land for installation: this creates an issue of scarcity when it comes to usage rights. As we prepare to accommodate more people on this earth, growing conflicts may emerge between advocates of renewable infrastructure, food production supporters, homeowners, as well as conservation groups who argue over suitable land use policies.
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What is the difference between the signal on the left and the one on the right? How are they identified?
The signal on the left is an electromagnetic wave while the signal on the right is a mechanical wave.
What is the difference between the image a travelling mechanical wave and a travelling electromagnetic wave?To travel, a mechanical wave needs a physical medium like a solid, liquid, or gas. This indicates that the movement of the particles within the medium is how wave energy is conveyed.
In addition to a medium like air or a solid, an electromagnetic wave can pass through a vacuum as well. Electric and magnetic fields interact to create electromagnetic waves, which do not need a physical medium to propagate.
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An eyewitness is held in the interrogation room for seven hours during questioning. Which of the following can motivate a person to give a false confession during an extremely lengthy interrogation process?
Deceptive interrogation tactics
Her young age
Her lack of fear
Exhaustion
Which two changes would you expect as a result of a severe drought that wipes out several plant populations
A severe drought that wipes out several plant populations can result in decreased biodiversity and a shift in the food chain. These changes can have far-reaching effects on the overall health and functioning of the ecosystem.
During a severe drought that wipes out several plant populations, two changes that you would expect are decreased biodiversity and a shift in the food chain.
1. Decreased biodiversity: A severe drought can have a significant impact on plant populations. With limited water availability, many plants may not survive and die off. This loss of plant species leads to decreased biodiversity in the affected area. Biodiversity refers to the variety of different species within an ecosystem. When multiple plant populations are wiped out, the overall diversity of plant species decreases, which can have long-term consequences for the ecosystem.
2. Shift in the food chain: Plants are an essential part of the food chain as they form the basis of most terrestrial ecosystems. When plant populations are wiped out by a severe drought, the loss of vegetation can disrupt the food chain.
Many animals rely on plants as a source of food, either by directly consuming them or by feeding on herbivores that eat plants. Without a sufficient plant population, herbivores may struggle to find food, which can lead to a decrease in their population. This, in turn, can affect predators that rely on these herbivores for food. Ultimately, a severe drought can cause a shift in the balance of the food chain, impacting various organisms within the ecosystem.
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The_____compiled a list of regulated of controlled substances with a listing of five schedules of levels of control.
O Drug Enforcement Administration
O epidemiology
O Department of Justice
O Controlled Substances Act and Drug Abuse Prevention and Control Acts of 1970
Answer:
under President Nixon
The Controlled Substances Act and Drug Abuse Prevention and Control Acts of 1970 compiled a list of regulated or controlled substances with a listing of five schedules of levels of control.
Explanation:
chatgpt
Small grasses are usally the first plants to appear in an area after distrubance. These grasses are an example of which type of species?
The grasses, which are usually the first plants to appear in an area after disturbance are an example of pioneer species (option B).
What are pioneer species?Pioneer species are resilient species that are often the first to establish themselves in an ecosystem that has been previously disturbed.
Ecological succession is the process by which the species of an habitat evolves and changes over time.
However, certain species are usually the first to dominate the disturbed land or hardy surfaces that are impossible for other species to grow on. These species are called pioneer species and they include lichens, grasses etc.
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Osmosis, simple diffusion, and
facilitated diffusion all do not
require energy. What type of
transport describes these
processes?
Which of the following statements is true?
MtDNA is found in Golgi bodies.
The nucleus holds mtDNA.
MtDNA is passed from mother to child.
Mitochondria DNA does not hold genes.
Students use the materials pictured below to create a model of the lunar cycle. What action must the students perform to demonstrate what
causes the changing appearance of the moon from Earth?
Flashlight Sun
Tennis ball Moon
Basketball Earth
To demonstrate what causes the changing appearance of the moon from Earth using the materials pictured, the students should perform the following action:
Hold the flashlight (representing the Sun) in a fixed position and place the tennis ball (representing the Moon) in orbit around the basketball (representing the Earth).
As the students move the tennis ball around the basketball, they should observe and note the changing positions and angles of the illuminated portion of the tennis ball.
This movement of the tennis ball relative to the flashlight mimics the Moon's orbit around the Earth, resulting in the changing phases of the Moon as seen from Earth due to varying amounts of sunlight reaching its surface.
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