Q. Sewage water is purified by

A) Microorganism
B) Light
C) Fishes
D) Aquatic plants
Explanation

The correct answer is Option A: Microorganism.

A detailed explanation for this question is being prepared.

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

Ph.D. in Physics with 19+ years of teaching experience.