Question

what is formation of coal​

Answer 1

Answer:

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. ... 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.

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Answer 2

Answer:

Coal is a combustible black or brownish-black sedimentary rock, formed as rock strata called coal seams. ... 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.