Chapter 4 Earth's Resources

Front

What are placer deposits and how do they form?

Back

Placer deposits are accumulations of valuable minerals formed at bends in a river where the water flows more slowly, allowing heavier materials to settle out.

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What is geothermal energy?

Back

Geothermal energy is energy derived from heat stored deep within the Earth.

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What is biomass fuel?

Back

Biomass fuel is fuel made from living things, such as plants and organic waste.

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What are nonrenewable resources?

Back

Nonrenewable resources are natural resources that cannot be replaced quickly, such as fossil fuels.

Front

What is hydroelectric energy?

Back

Hydroelectric energy is electricity generated by the flow of water through a dam, which turns a generator.

Front

What is the significance of renewable resources?

Back

Renewable resources are significant because they can be replenished naturally over time, unlike nonrenewable resources.

Front

Give an example of a renewable resource.

Back

An example of a renewable resource is solar energy, which is harnessed from the sun.

Front

What is the process of sedimentation in rivers?

Back

Sedimentation in rivers is the process where particles settle out of the water as it slows down, often forming deposits.

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How does geothermal energy contribute to sustainable energy solutions?

Back

Geothermal energy contributes to sustainable energy solutions by providing a constant and reliable source of energy with low emissions.

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Front

What are the environmental impacts of using nonrenewable resources?

Back

The environmental impacts of using nonrenewable resources include pollution, habitat destruction, and contribution to climate change.

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