Question

Which energy source is formed when organic matter is trapped underground without exposure to air or moisture?. . A. natural gas. B. coal. C. oil. D. biomass fuels

Answer 1

Answer:

The correct answer is option B. coal

Explanation:

Coal is made of remains of organic material including trees and other vegetation which got trapped beneath the earth’s surface or at the bottom of the swamps. After burial below the ground the organic material was acted upon by the high temperature and pressure in the absence of air to form peat. Peat after further processing for a longer period of time converted into coal