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what is coal?

Dear Student

Coal : hard

Coal is a fossil form of carbon found in the form of sedimentary rock. It is black brown in colour and it is highly combustible.

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it is abundant fossil fuel resource, it is a complex mixture organic chemical substances

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a word.................

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IT IS A FOSSIL

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thanks.......all of u

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a coal is sedimentary rock made up of burning wood which is used as pertol

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