Question

a. name four gases which are mainly present in biogas. b. List two advantages of using biogas over fossil fuels.​

Answer 1

Explanation:

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in this answer

Answer 2

A] methane gas, carbon dioxide, and trace amounts of nitrogen, hydrogen, and carbon monoxide.

B] Biogas is Eco-Friendly. Biogas is a renewable, as well as a clean, source of energy. ... Biogas plants significantly curb the greenhouse effect: the plants lower methane emissions by capturing this harmful gas and using it as fuel. Biogas generation helps cut reliance on the use of fossil fuels, such as oil and coal.

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