Alternative Energy

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Energy from the sun is called

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Solar

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A problem with geothermal energy is that it

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is available only in certain locations

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A problem with solar energy is that it is

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costly to build

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Why are fossil fuels more widely used than solar energy?

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Fossil fuels are much cheaper

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Nonrenewable resources

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cannot be replaced quickly

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What is alternative energy?

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Energy sources that are not based on fossil fuels and are more sustainable.

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Examples of renewable energy sources include

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Solar, Wind, Hydroelectric, and Biomass.

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What is the main advantage of solar energy?

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It is abundant and renewable.

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What is a disadvantage of wind energy?

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It is dependent on weather conditions.

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What does 'nonrenewable' mean?

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Resources that cannot be replenished in a short period of time.