Q240
Aerobic biological oxidation ponds used for the purification of polluted water
A.
Destroys/removes pathogen from the sewage
B.
Is not very effective for nonbiodegradable substances (e.g. ABS) containing effluents
C.
Destroys/removes pathogen much more effectively if the sewage is chlorinated
D.
All of the above
AnswerAnswer: Option D
Solution
Answer: Option D
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