Q. Drained sewage has BOD
A) More than that of water
B) Less than that of water
C) Equal to that of water
D) None of these
Explanation
The correct answer is Option A: More than that of water.
A detailed explanation for this question is being prepared.
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.