Question

Please answer in detail.
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Answer 1

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physics :

in 1st attachment you can see the physical process of sewage treatment of plants

chemistry :

in 2nd attachment you can see the chemical process of sewage treatment

Biology :

in 3rd attachment you can see the biological process of sewage treatment

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Biology......

The microbes used the organic matter present in wastewater and reduce the BOD which is the amount of oxygen consumed by bacteria 11 litre of organic matter is oxidized by them...

this and aerobic bacteria produce methane, hydrogen sulphide and carbon dioxide during the digestion process.....

.

I hope this helps you.......

Answer 2

Answer:

physics :in 1st attachment you can see the physical process of sewage treatment of plantschemistry :in 2nd attachment you can see the chemical process of sewage treatment

:in 2nd attachment you can see the chemical process of sewage treatmentBiology :in 3rd attachment you can see the biological process of sewage treatment

$ANSWER \:$

Biology.

The microbes used the organic matter present in wastewater and reduce the BOD which is the amount of oxygen consumed by bacteria 11 litre of organic matter is oxidized by them

this and aerobic bacteria produce methane, hydrogen sulphide and carbon dioxide during the digestion process.

Hope it helps you