Natural Resource

Why are trees a natural resource?

• The leaves are green

• We use them to make paper, lumber, and other products.

• They are beautiful

• They grow back after they are cut down.

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Fossil fuels are all examples of...

• renewable energy

• nonrenewable energy

• clean energy

• solar energy

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Coal is an example of a fossil fuel because....

• it is renewable energy that is mined from the Earth

• it is a nonrenewable resource that is replaced easily

• it is a nonrenewable resource that is mined from the Earth

• it is a clean source of energy

This type of renewable energy converts the power of the wind to electricity.

• steam engines

• solar power

• wind turbines

• nuclear power

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Energy sources that are not easily replenished are called...

• renewable resources

• nonrenewable resources

What is the term for important nonrenewable resources that formed from the remains of living organisms?

• solar particles

• mineral sediments

• fossil fuels

• elemental energy

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Clothes are often made from cotton, which is grown from a plant. What kind of resource is cotton?

• renewable

• nonrenewable

• mineral

• chemical

The pictures show a forest before and after deforestation, a process where many trees are cut down. Which of the following best explains why trees are called a renewable resources?

• If a tree is cut down, a new tree can be planted in its place.

• If a tree is cut down, the animals that depended on the tree will help the tree grow back.

• Only humans use trees, so tree populations will never fall below the number that are needed.

• Only paper is made from trees, so the tree population will never run out.

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Which of the following resources would be considered renewable?

• coal

• wind

• metal ore

• natural gas

Why are trees a natural resource?

• because they come from Earth

• because they can never be replaced

• because they are made by humans

• because they are used for many things

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