n. any combustible organic material as oil or coal or natural gas derived from the remains of former life.
Most cars run on fossil fuels.
Most cars run on fossil fuels.
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Why do we have to be careful to not waste the fossil fuels (oil, coal and gas)?
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We combust coal and other fossil fuels.
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hydrocarbon deposit; nonrenewable energy; polluter
solar energy
1 syllables
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