Q. What is the process of waste water treatment is commonly known?
A) Cleaning of water
B) Waste water management
C) Decontamination
D) Sewage treatment
✔ Correct Answer: Sewage treatment
Exam Insight
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A) Cleaning of water
B) Waste water management
C) Decontamination
D) Sewage treatment
✔ Correct Answer: Sewage treatment
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