Civil Engineering - Waste Water Engineering - Discussion

5. 

The factor responsible for purification of sewage in river is

[A]. Hydrology
[B]. Dissolved oxygen in water
[C]. Temperature
[D]. Turbulence
[E]. All the above.

Answer: Option E

Explanation:

No answer description available for this question.

Dipuku said: (Aug 7, 2020)  
How hydrology is dependent?

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