A) BOD
B) nitrogen content
C) ozone content
D) eutrophication
Correct Answer: A
Solution :
There will be more microbial activity in the sewage if more dead organic matter is present. More microbial activity will require more oxygen which we call technically as biological oxygen demand. So, the pollution strength of any sewage can be determined by its Biological Oxygen Demand (BOD).You need to login to perform this action.
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