Science, asked by prachisharma050319, 3 months ago

which of these steps expose sewage to air?
(a) Pumping
(b) screening
(c) aeration
(d) chloraimation​

Answers

Answered by Doom2study
1

Answer:

pumping is the answer hope it helps

Answered by srikavithailaya
1

Answer:

a) Pumping

Explanation:

present in a water sample over a period of 5 days at 20 degree C. ... RAW SEWAGE PUMPING STATION. PRIMARY ... This media is floating in the Aeration tank and kept floating by air.

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