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How You Can Define Coal ? |
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Answer» Coal is a naturally occurring hydrocarbon that consists of the fossilised remains of buried plant DEBRIS that have undergone PROGRESSIVE physical and CHEMICAL alteration, called coalification, in the COURSE of GEOLOGIC time. Coal is a naturally occurring hydrocarbon that consists of the fossilised remains of buried plant debris that have undergone progressive physical and chemical alteration, called coalification, in the course of geologic time. |
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