Question

how is coal obtained

Answer 1

Answer:

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Coal is obtained from underground seams. A seam is a layer of ore or coal that is thick enough to be profitably mined.

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Answer 2

1Coal is obtained from incomplete burning of wood that is in insufficiency of oxygen.Such coal is known as charcoal.

2Another coal is obtained from mining. there are different types of coal depends upon their content of carbon.

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