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)
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)