A shallow pond in which the sewage is retained and biologically treated is called?

Oxidation
Imhoff tank
Lagoon
Skimming tank

LohaHridoy

4 views

2025-01-04 04:42

1 Answers

AhmedNazir

Answer: Option 1

Let'

4 views Answered 2022-09-01 13:21

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