The water pollution in river is measured by the dissolved amount of
1.Chlorine 2.Oxygen 3.Nitrogen 4.Ozone
jackson97:
Hey kalpana, Oxygen is the right answer.
i am kaushikee
i did not say to u bro, i said to the question asker
Answers
Answered by
2
Chemical Oxygen Demand(COD) and Biological Oxygen Demand(BOD). ... Water pollution can also be measured by the aquatic habitat present in the water sample.
Answered by
1
The water pollution in river is measured by the dissolved amount of oxygen. this is known as DO test . hence, option (2) is correct option.
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