how were coal and petroleum formed?
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coal and petroleum are formed from the dead decaying tree and sea animal which burried in ground for million of years with high pressure and temperature it convert to coal and petroleum
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Coal and petroleum have been formed from remains of dead animals and plants which has been subjected to various biological and geological process. Coal is the remains of trees, ferns and other plants that lived millions of years ago. ... Bacteria attacked the dead remains and changed them into oil under high pressure.
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