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What Are Fossil Fuels? - Science

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प्रश्न

What are fossil fuels?

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उत्तर

Fossil fuels are those fuels that were formed by remains of dead animals and plants that got buried deep inside the earth millions of years ago. Fossil fuels mainly contain hydrocarbons. Coal, petroleum and natural gas are fossil fuels.

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2009-2010 (March) Delhi Set 3
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