Question

Describe,in brief,the process of 'coal formation ​

Answer 1

Answer:

When forested swamps died, they sank below the water and began the process of coal formation. However, more than a heavy growth of vegetation is needed for the formation of coal. ... There are four stages in coal formation: peat, lignite, bituminous and anthracite.

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Answer 2

Answer:

The environments or conditions under which these coals were formed: anthracite coal, bituminous coal, lignite? Coal formed millions of years ago when the earth was covered with huge swampy forests where plants - giant ferns, reeds and mosses - grew. As the plants grew, some died and fell into the swamp waters.

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