Question

a short definition of biogas for class 7th​

Answer 1

Answer:

Biogas is a renewable fuel produced by the breakdown of organic matter such as food scraps and animal waste.

Answer 2

Answer:

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Explanation:

Biogas is a mixture of methane, carbon dioxide, hydrogen and hydrogen sulphide. The major constituent of biogas is methane, which is an extremely good fuel. Biogas is produced by the anaerobic degradation of animal wastes like cow-dung (or plant wastes) in the presence of water.