As wood is compressed it turns into a black and glossy coal 'X' which – InterviewSolution

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1.	As wood is compressed it turns into a black and glossy coal 'X' which is most abundant in nature and has a carbon content of around 78%. Identify the coal 'X'.
Answer» As wood is compressed it turns into a black and glossy coal 'X' which is most abundant in nature and has a carbon content of around $78 %$ . Identify the coal 'X'.

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