A) Methanogens
B) Nitrifying bacteria
C) Ammonifying bacteria
D) Denitrifying bacteria
Correct Answer: A
Solution :
[a] Biogas production involves three steps: |
[a] breakdown of polymers [b] conversion of monomers into organic acids by microbial fermentation [c] generation of methane by methanogenic bacteria (conversion of organic acids into CH4 and CO2). |
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