What are natural resources?

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Sun

A solar cell uses the power of the ________________ to produce electricity.

nonrenewable

Fossil fuels are a _________________ resource

The fossil fuels used by a bus or train are less than the total amount that would be used if everyone drove their own car. Taking public transportation uses less total fossil fuels.

How does using public transportation, like buses and trains, help conserve fossil fuels?

Fossil fuels cannot be replaced fast enough for future use.

Lilly learned that fossil fuels contain a lot of energy. Which is why fossil fuels are considered nonrenewable resources?

asteroids

One theory is that ________________ come from the atmosphere and hit Earth many years ago.

Hydroelectric dams block rivers and streams.

Which of the following is not an advantage to alternative energy sources?

natural gas

Which of the following is not an alternative energy source?

geothermal energy

Which type of energy would best be sued in an area with a lot of hot springs?

Geothermal

_______________ energy is obtained and used by harnessing the heat from below Earth's surface.

Reducing

________________ the amount of resources we use will allow resources resources to be saved for a later time.


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