(C) Explain How Coal Was Formed in the Earth. - Science

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Explain how coal was formed in the earth.

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Coal evolved in the Earth millions of years ago by the decomposition of trees and plants that got buried deep into the soil. Natural phenomena like volcanoes and earthquakes caused the forests to get buried deep under the surface of the Earth. The extreme temperature and pressure inside the soil converted the wood into coal in the absence of air.

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Lakhmir Singh Class 10 Chemistry (Science)
Chapter 4 Carbon And Its Compounds
Q 40.3 | Page 242
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