Question

How is wood converted into coal inside the earth?
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Answer 1

Coal was formed by the anaerobic thermal degradation of the cellulosic material of big plants/ trees which got buried inside the earth millions years ago. ... The slow conversion of wood into the coal under the influence of high temperature, high pressure and in the absence of air, is termed as carbonization.

Answer 2

Answer:

The words in bold are the main answer. Hope it helps, please mark as brainliest.

Explanation:

Coal was formed by the anaerobic thermal degradation of the cellulosic material of big plants/ trees which got buried inside the earth millions years ago. ... The slow conversion of wood into the coal under the influence of high temperature, high pressure and in the absence of air, is termed as carbonization.