OBJECTIVE FORESTRY

Detailed explanation-1: -Coal is a combustible sedimentary rock formed from ancient vegetation which has been consolidated between other rock strata and transformed by the combined effects of microbial action, pressure and heat over a considerable time period.

Detailed explanation-2: -Coal is a sedimentary rock, and bituminous coal frequently contains “bands, ‘’ or strips, of different consistency that mark the layers of plant material that were compressed. Bituminous coal is divided into three major types: smithing coal, cannel coal, and coking coal.

Detailed explanation-3: -Coal can be considered to be a sedimentary rock in the class known as chemical sedimentary rocks. It is made up mostly of organic matter.