Question

Explain the process of formation of coal in nature.​

Answer 1

Answer:

Coal formed millions of years ago when the earth was covered with huge swampy forests where plants - giant ferns, reeds and mosses - grew. ... Heat and pressure produced chemical and physical changes in the plant layers which forced out oxygen and left rich carbon deposits.

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Answer 2

Answer:

Coal formed millions of years ago when the earth was covered with huge swampy forests where plants - giant ferns, reeds and mosses - grew. ... Heat and pressure produced chemical and physical changes in the plant layers which forced out oxygen and left rich carbon deposits.

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