Chemistry, asked by coolbaby272, 11 months ago

about coal

in para only 1

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Answered by Anonymous

2

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.

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