Question

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

Answer 1

Coal was formed by the decomposition of large land plants and trees buried under the Earth about 300 million years ago. About 300 million years ago, the Earth had dense forests in the low lying wet areas. ... The slow process by which the dead plants buried under the Earth have become coal is called as carbonisation

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Answer 2

Answer:

Coal is formed from the decomposition of large land plants and buried trees about millions of years ago. Due to natural calamities like volcano eruption, earthquakes, floods, etc. As much soil got deposited on them and got compressed.

Temperature rose and they sunk deeper, due to the absence of air, high pressure and temperature. The materials of buried trees slowly slowly got converted into the Coal.

The process of dead vegetation or buried plants under the Earth to become Coal is called Carbonisation.

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