Fossil fuel | Meaning, Types, & Uses | Britannica
https://www.britannica.com/science/fossil-fuel
WEB3 days ago · fossil fuel, any of a class of hydrocarbon -containing materials of biological origin occurring within Earth’s crust that can be used as a source of energy. Fossil fuels include coal, petroleum, natural gas, oil shales, bitumens, tar sands, and heavy oils.
DA: 59 PA: 56 MOZ Rank: 14