In which stage of sewage treatment, larg

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Target Exam

CUET

Subject

Biology

Chapter

Microbes in Human Welfare

Question:

In which stage of sewage treatment, large amount of air is pumped into it?

Options:

Both Primary and Secondary Treatments

Only Primary Treatments

Only Secondary Treatments

After Secondary Treatments

Correct Answer:

Only Secondary Treatments

Explanation:

The correct answer is Option (3) → Only Secondary Treatments