Question

Define coal. ???????​

Answer 1

Answer:

here is the answer

Explanation:

a combustible black or dark brown rock consisting chiefly of carbonized plant matter, found mainly in underground seams and used as fuel.

Answer 2

Answer:

Here is your answer

Explanation:

Coal is a hard rock which can be burned as a solid fossil fuel. It is mostly carbon but also contains hydrogen, sulphur, oxygen and nitrogen. It is a sedimentary rock formed from peat, by the pressure of rocks laid down later on top. ... Also wood heated in an airless space can make charcoal, which is like coal.

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