Some resources can be either renewable or nonrenewable depending on how they are used. Which statement describes a resource that could be both renewable and nonrenewable?

• Petroleum is drilled from rock on the ocean floor.

• Solar energy is used to produce both heat and electricity.

• Turbines are constructed to use wind to make electricity.

• Trees are cut own to make wood products faster than new trees can grow.

Why is petroleum considered to be a nonrenewable resource?

• It constantly forms within the Earth.

• It is difficult to obtain and transport.

• It releases harmful chemicals when burned.

• It requires a very long period of time to form.

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Humans need fresh, clean water to survive. Which of these statements is true about fresh water?

• An unlimited amount of fresh water is available on Earth.

• The global population is currently decreasing, and people are using less fresh water.

• In some places on Earth, fresh water is used up faster than it can be replaced.

• Fresh water was once considered a renewable resource, but today it is considered an inexhaustible resource.

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What are the advantages of using resources such as geothermal energy, solar energy, and wind energy?

• They can generate power by burning wastes.

• They increase the amount of greenhouse gasses.

• They come from energy sources that never run out.

• They produce large amounts of energy from burning fuels.

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Which statement best describes natural resources?

• Natural resources are replaced within a human lifetime.

• Natural resources are unevenly distributed around the world.

• Most natural resourcs are found below the surface of the earth.

• Most energy needs are currently met by renewable natural resources.

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What is one disadvantage of using renewable energy resources, such as biomass, wind, or hydropower?

• The science to develop these resources is too new.

• These resources are not always available in all areas.

• The use of these resources enhances the natural environment.

• The equipment needed fo these resources is difficult to manufacture.

Why is nuclear energy considered a nonrenewable resource?

• Nuclear radiation does not run out.

• It comes from radiation from the sun.

• Uranium ore is replaced on a geologic timescale.

• Uranium replenishes more quickly than it is being used.

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What positive effect might the car in the photo have on the environment?

• A solar powered car will go faster than a car powered by fossil fuel.

• A solar powered car will take up more space than a car powered by fossil fuel.

• A renewable energy resource is being used to replace a nonrenewable energy resource.

• A renewable water resource is being used to replace a nonrenewable fossil fuel resource.

Which of these is shown by the photo? Circle TWO (2) that apply.

• harvesting a nonrenewable material resource

• harvesting a nonrenewable energy source

• harvesting a renewable energy source

• harvesting a renewable material source

Are plants and animals potentially renewable natural resources?

• Yes, plants and animals are resources that can replaced at the same rate as they are used, if managed well.

• No, because it is not possible for humans to use plants and animals at a faster rate than can be replaced.

• No, because plants and animals are inexhaustible resources.

• Yes, because we use plant resources at the same rate as we use animal resources.

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