Activated sludge undergoes Options: A . &nbspPrimary treatment B . &nbspSecondary treatment C . &nbspTertiary treatment D . &nbspany of these

Activated sludge undergoes

Question

Activated sludge undergoes

Options:

A . Primary treatment

B . Secondary treatment

C . Tertiary treatment

D . any of these

Answer: Option B
Answer: (b).Secondary treatment

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