Question

subject science how is coal formed
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Answer 1

Answer:

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.

Answer 2

Answer:

coal is formed when dead plants matter decays into peat and is converted into coal by heat and pressure.

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