Question

how is coal formed in nature and how

Answer 1

it is from by the remains of plants ands wood. when it press under the soil in the absence of oxygen. it take millions and millions of air.

Answer 2

most of coal we use now was formed about 300millions years ago,when much of the earth was covered by steamy swamps.A s plants and trees died,their remains sank to the bottom of swampy areas,making layers and layers of plant materials and eventually forming a soggy ,thick material called coal...
hope it will help u...