Question

what is coal ,,,,,,,,,
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Answer 1

Answer:

Coal is a combustible black or brownish-black sedimentary rock with a high amount of carbon and hydrocarbons.

Coal is classified as a nonrenewable energy source because it takes millions of years to form.

Coal contains the energy stored by plants that lived hundreds of millions of years ago in swampy forests.

Coal also has a myriad of other uses, including in cement production, carbon fibers and foams, medicines, tars, synthetic petroleum-based fuels, and home and commercial heating.

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Answer 2

A burning peice of coal is called coal