List of five important fossil fuels:- 1. Oil 2. Coal 3. Natural Gas 4. Uranium 5. Nuclear Energy. Fossil Fuel # 1. Oil: Crude oil is a mixture of liquid hydrocarbon compounds sometimes found permeating sedimentary rocks. Its elements are, by weight, carbon 82.2-87.1 per cent, hydrogen 11.7-14.7 per cent, oxygen 0.1 -4.5 per cent, […]