Which one is correct with respect to BOD?
(A) secondary treatment of effluent decreases the BOD
(B)secondary treatment of effluent increases the BOD
(C)secondary treatment of effluent does not change the BOD
(D)secondary treatment of effluent first increases and then decreases the BOD.
jaylalsjc:
i guess it is b
hi
yo
Answers
Answered by
0
Explanation:
it should be DOB
which mean dateof birth
Answered by
1
Answer:
It will be DOB not BOD
check it again
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