Question

Which one of the following is not a fossil fuel?

• A. Biogas
• B. Petroleum Gas
• C. Natural Gas
• D. Coal

Answer 1

The correct option is A

Biogas

Explanation for correct option

(A) Biogas

Fossil fuels

• The substance that undergoes combustion is called fuel.
• Decomposing plants and animals are used to create fossil fuels.
• These fuels include hydrogen and carbon that may be burnt to produce energy.

Biogas

• Biogas is a renewable source of energy.
• When organic matter breaks down without oxygen, a combination of gases is called biogas.
• Biogas is not a fossil fuel.

Explanation for incorrect options

• Petroleum, natural gas, and coal are examples of fossils fuel.
• Hence, all other options (B), (C) and (D) are incorrect.

Therefore the correct option is (A) Biogas.