how is coal made and what is coal and it uses
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Coal is mostly carbon with variable amounts of other elements; chiefly hydrogen, sulfur, oxygen, and nitrogen. Coal is formed when dead plant matter decays into peat and is converted into coal by the heat and pressure of deep burial over millions of years.The most significant uses of coal are in electricity generation, steel production, cement manufacturing and as a liquid fuel. .
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coal is made up of woods that pressed into earth surface by any natural disasters like earthquake . it's used for burning .
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