SELECT * FROM question_mgmt as q WHERE id=6583 AND status=1 SELECT id,question_no,question,chapter FROM question_mgmt as q WHERE courseId=12 AND subId=16 AND chapterId=368 and ex_no='1' AND status=1 ORDER BY CAST(question_no AS UNSIGNED) CBSE Free NCERT Solution of 8th science Coal and Petroleum describe how coal is formed from dead vegetation

Question:

Describe how coal is formed from dead vegetation. What is this process called?

Answer:

Millions of years ago, dense forest got buried under the soil due to natural processes like storms, floods and earthquakes etc. These got compressed or more and more layer of soil got deposited over them. When they got deep burried in the layers of soil, they were exposed to very high pressure and high temperature. Under these conditions they slowly got converted into coal. This process of formation of coal from dead and decay vegetation is called carbonization.


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