15. Biogas generation is mainly based on the
principle of
(a) degradation (b) purification
(c) fermentation
(d) both (b) and (c)
Answers
Answered by
0
Answer:
purification is the correct answer..
Explanation:
it is a purification of biogas
Answered by
0
Answer:
Fermentation of biodegradable products with the presence of water and without the presence of air
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