Biological oxidation ponds remove organic matters present in the pollu – McqOptions

MCQOPTIONS

1.	Biological oxidation ponds remove organic matters present in the polluted water by
A.	using the activities of bacteria and other micro organisms.
B.	aerobic oxidation.
C.	both (a) & (b).
D.	neither (a) nor (b).
Answer» D. neither (a) nor (b).

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