Biogas produced by the fermentation of animal dung, human sewage or crop residues in an airtight container is rich in?

Question

Biogas produced by the fermentation of animal dung, human sewage or crop residues in an airtight container is rich in?

Biogas produced by the fermentation of animal dung, human
sewage or crop residues in an airtight container is rich in?

asked Sep 27, 2021 by umang gawde

1 Answer

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