Liam creates a bowling ball animation and designs the shape and color of the ball but has not added any motion to the bowling ball. Thus, the bowling ball sits in the middle of the screen not moving. Which of Newton’s Laws of Motion does this example BEST represent?
(1 point)
Responses
Newton’s First Law: An object at rest stays at rest. An object in motion stays in motion.
Newton’s First Law: An object at rest stays at rest. An object in motion stays in motion.
Newton’s Second Law: The velocity of an object changes when an outside force acts upon it.
Newton’s Second Law: The velocity of an object changes when an outside force acts upon it.
Newton’s Third Law: For every action, there is an equal and opposite reaction.
Newton’s Third Law: For every action, there is an equal and opposite reaction.
Law of Gravity: Objects attract each other using a force based on their mass.
Newton’s First Law: An object at rest stays at rest. An object in motion stays in motion.
do you know connexus
Yes, Connexus is an online learning management system used by many schools and students in the United States. The software provides a range of tools and services that enable students to access digital courses and communicate with their teachers and classmates.
can you answer quostions to connexus
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Natural Resources Unit Test
1 of 141 of 14 Items
Question
What is a nonrenewable resource?(1 point)
Responses
a resource that is used for energy
a resource that is used for energy
a resource that can replace itself quickly
a resource that can replace itself quickly
a resource that harms the environment when it is used
a resource that harms the environment when it is used
a resource that is in limited supply
a resource that is in limited supply
A nonrenewable resource is a resource that is in limited supply.
Coal is a very useful rock that formed over millions of years from the remains of plants. Is coal a mineral?(1 point)
Responses
No, coal is not a mineral because coal can be burned to produce electricity and heat.
No, coal is not a mineral because coal can be burned to produce electricity and heat.
No, coal is not a mineral because coal is made of dead plants.
No, coal is not a mineral because coal is made of dead plants.
Yes, coal is a mineral because all rocks are nonliving solid minerals.
Yes, coal is a mineral because all rocks are nonliving solid minerals.
Yes, coal is a mineral because all rocks that are useful to people are minerals.
No, coal is not a mineral because it is not a nonliving solid substance formed in nature with a uniform atomic structure.
natural resource unit test answers
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Natural Resources Unit Test
3 of 143 of 14 Items
Question
Which is a negative aspect of fossil fuels?(1 point)
Responses
They are difficult to find.
They are difficult to find.
They are difficult to transport.
They are difficult to transport.
They cause pollution on Earth.
They cause pollution on Earth.
They take a long time to produce energy.
The negative aspect of fossil fuels is that they cause pollution on Earth.
Natural Resources Unit Test
4 of 144 of 14 Items
Question
Which fossil fuel is considered the most abundant in the United States?(1 point)
Responses
coal
coal
petroleum
petroleum
oil
oil
natural gas
The fossil fuel that is considered the most abundant in the United States is natural gas.
Which statement best explains an environmental outcome of using fossil fuels for energy?(1 point)
Responses
When fossil fuels are burned, they release toxic gases into the air that cause pollution and increase global warming.
When fossil fuels are burned, they release toxic gases into the air that cause pollution and increase global warming.
Fossils fuels produce waste that exposes humans to dangerous levels of radiation.
Fossils fuels produce waste that exposes humans to dangerous levels of radiation.
Fossil fuels release carbon dioxide which plants use to make food.
Fossil fuels release carbon dioxide which plants use to make food.
When fossil fuels are burned, hazardous ash is created and carried through the environment by wind and dropped into nearby lakes and ponds.
When fossil fuels are burned, hazardous ash is created and carried through the environment by wind and dropped into nearby lakes and ponds.
The statement "When fossil fuels are burned, they release toxic gases into the air that cause pollution and increase global warming" best explains an environmental outcome of using fossil fuels for energy.
A farmer wants to properly manage her soil to prevent a situation like the Dust Bowl. What is the best way to manage the soil?(1 point)
Responses
remove humus from the soil
remove humus from the soil
frequently dig the soil to get rid of unwanted plants
frequently dig the soil to get rid of unwanted plants
allow plants such as grass to root in it
allow plants such as grass to root in it
water the soil frequently
The best way to manage the soil and prevent a situation like the Dust Bowl is to allow plants such as grass to root in it. The roots of these plants can help to hold the soil in place with their network system, which prevents the erosion of topsoil and the exposure of underlying sand and dust. Grass and other vegetation can also help to maintain soil moisture, which is essential for healthy plant growth and for preventing soil erosion caused by wind. Additionally, planting cover crops and rotating crops can also help to improve soil health and prevent soil degradation.
Why is soil considered a vital resource?(1 point)
Responses
It provides the source of material for different landforms.
It provides the source of material for different landforms.
It is hard to destroy and easy to make.
It is hard to destroy and easy to make.
It plays a variety of roles for plants and animals.
It plays a variety of roles for plants and animals.
It is the place where all nutrients on Earth are stored.
Soil is considered a vital resource because it plays a variety of roles for plants and animals. Soil provides plants with a medium to grow in, and it also serves as a habitat and a source of mineral nutrients for many organisms. Soil also helps to filter water, protect against erosion, and regulate the Earth's temperature by absorbing and releasing heat. Soil is an essential component of many ecosystems and supports numerous human activities, including agriculture and construction.
somebody is calling me
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wanna know who
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no want to know plz say yes
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your moms calling for the fith time
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503 456 2342
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Why is soil considered a vital resource?(1 point)
Responses
It provides the source of material for different landforms.
It provides the source of material for different landforms.
It is hard to destroy and easy to make.
It is hard to destroy and easy to make.
It plays a variety of roles for plants and animals.
It plays a variety of roles for plants and animals.
It is the place where all nutrients on Earth are stored.
Soil is considered a vital resource because it plays a variety of roles for plants and animals. Soil provides plants with a medium to grow in, and it also serves as a habitat and a source of mineral nutrients for many organisms. Soil also helps to filter water, protect against erosion, and regulate the Earth's temperature by absorbing and releasing heat. Soil is an essential component of many ecosystems and supports numerous human activities, including agriculture and construction.
Natural Resources Unit Test
8 of 148 of 14 Items
Question
Which describes a renewable energy resource?(1 point)
Responses
It is less expensive than fossil fuels.
It is less expensive than fossil fuels.
It is more prone to serious accidents.
It is more prone to serious accidents.
It consists of carbon and hydrogen molecules.
It consists of carbon and hydrogen molecules.
It produces less pollutants than fossil fuels.
A renewable energy resource produces less pollutants than fossil fuels. Renewable energy comes from natural sources that are replenished over time, such as solar energy, wind energy, hydropower (energy from flowing water), geothermal (energy from the heat of the earth's interior), and biomass (organic material such as wood, crops, and waste). Renewables tend to produce lower levels of greenhouse gas emissions and air pollution, which can help mitigate the negative environmental impact of energy production and use.
Natural Resources Unit Test
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Question
Use the scenario to answer the question.
Edwin buys a water bottle, reuses it twice, and then recycles it. Eleanor buys a water bottle, reuses it twelve times, and then throws it away.
Which energy cost would apply to Edwin, but not to Eleanor?
(1 point)
Responses
the cost of processing the bottle after it was no longer used
the cost of processing the bottle after it was no longer used
the cost of producing the original bottle
the cost of producing the original bottle
the cost of transporting the bottle away from the house
the cost of transporting the bottle away from the house
the cost of transporting the bottle to the store