A) storing them in underground storage tanks
B) using them for producing biogas
C) vermiculture
D) using them directly as bio-fertilizers
Correct Answer: B
Solution :
Pollution from human excreta and organic wastes from kitchen can be most profitably minimized by using them for producing biogas. These wastes release methane and other gases as a result of action of anaerobic microorganisms. Biogas contain methane in bulk and other gases like \[C{{O}_{2}},\,{{H}_{2}},\,{{N}_{2}}\] and \[{{O}_{2}}\].
You need to login to perform this action.
You will be redirected in
3 sec
