Q.

The amount of oxygen consumed by the aerobic bacterias which cause the aerobic biological decomposition of sewage, is known

A. Bio-Chemical Oxygen Demand (B.O.D.)
B. Dissolved Oxygen (D.O.)
C. Chemical Oxygen Demand (C.O.D.)
D. None of these
Answer» B. Dissolved Oxygen (D.O.)
1.5k
0
Do you find this helpful?
3

Discussion

No comments yet