Question

Question
What is Coal?

Answer 1

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• A natural fuel formed by partial decomposition of vegetable matter under certain environmental conditions.

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Answer 2

Explanation:

Coal is a hard rock which can be burned as a solid fossil fuel. It is mostly carbon but also contain hydrogen, sulphur, oxygen and nitrogen.It is a sedimentary rock formed from peat, by the pressure of rocks laid down later on top.

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