Science, asked by rrajivlogin, 5 months ago

3. Which one of these is a biological process of treating wastewater?
a. Screening of sewage
b. Exposure to ultraviolet light
c. Aeration of sewage
d. Addition of chlorine to water

Answers

Answered by CrzArmy

6

Answer:

C) Aeration of Sewage

Explanation:

As due to anaerobic respiration, the germs get killed.

hope it helps........

Answered by sumantsahoo15705

6

Explanation:

(c) is the right answer I hope it help you.

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