Question

how was coalu formed in nature?

Answer 1

Most of the coal we use now wasformed about 300 million years ago, when much of the earth was covered by steamy swamps. As plants and trees died, their remains sank to the bottom of the swampy areas, making layers and layers of plant material and eventually forming a soggy, thick material called PEAT.......

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Answer 2

when the plants and animals get burried deep under the earth million of years ago it's started decomposed due to the natural calamities like earthquake, volcanic eruption with the aerobic bacteria. This process of conversion of dead plants and animals is called carbonisation.

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