Which of the following is not a fossil fuel?(a) LPG (b) natural gas (c) biogas (d) CNG

Correct Answer: (c) biogas

Explanation:

Fossil fuels are the fuels obtained from fossils or beneath the ground, such as petroleum and natural gas.

LPG and CNG are also considered fossil fuels.

While biogas is made from cow dung and other dried plant products due to decomposition.