Question

describe in brief the process of coal formation​

Answer 1

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.

Answer 2

coal was formed from plant remains got Bond deep under the earth's crust. over a large period of time, the chemical and physical properties of this plant remains where change through geographical actions that lead to certain of these soil material the process of conversion of the plant material into coal is called carbonization.