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Question

Biogas produced by the anerobic digestion is a mixture of :

A CO2, SO2, N2O, CH4 and H2O

B CO, CO2, H2S, CH4 and natural gas

C CH4, CO2 NH3, H2S and H2O

D CO2, NH3, C2H5OH and H2O

Answer & Explanation
Answer:CH4, CO2 NH3, H2S and H2O

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