Renewable and Nonrenewable Energy

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What is renewable energy?

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Energy that is generated from natural processes that are continuously replenished, such as solar, wind, and hydroelectric power.

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What is nonrenewable energy?

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Energy derived from sources that are finite and will eventually deplete, such as fossil fuels (coal, oil, natural gas) and nuclear energy.

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Why is non-renewable energy often considered cost-effective?

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It has reservoirs throughout the world and has become a commodity.

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What is a key characteristic of renewable resources?

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They are replenished naturally over relatively short periods of time.

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Where is geothermal energy most effectively harnessed?

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Areas near tectonic plate boundaries.

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What type of energy can be regenerated in a short amount of time?

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Renewable Energy.

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What are some examples of renewable energy sources?

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Solar, wind, hydroelectric, geothermal, and biomass.

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What is the main source of energy for the Earth?

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The Sun.

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What is a disadvantage of nonrenewable energy sources?

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They produce high levels of pollution and greenhouse gas emissions.

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What is the environmental impact of renewable energy sources?

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They generally produce low levels of pollution and have a smaller carbon footprint.