Which of the following is not a fossil fuel?
(b) petroleum gas
(d) natural gas
Fossils form deep under the earth's surface from the prehistoric remains of living organisms. Biogas is a mixture of methane, carbon dioxide, hydrogen and hydrogen sulphide. It is produced by the anaerobic degradation of animal wastes such as cow dung in the presence of water.
Video Tutorials For All Subjects
- Alternative or Non-conventional Sources of Energy - Nuclear Energy