Most harmful type of environmental pollutants are

A. Human organic wastes

B. Natural nutrients in excess

C. Waste animal feed

D. Non-biodegradable chemicals

Answer: Option D

Solution(By Examveda Team)

Most harmful type of environmental pollutants is Non-biodegradable chemicals.
Non-biodegradables are those that cannot be decomposed by natural agents like, sun, water, air, microorganisms etc. with time.
Therefore such pollutants that can be decomposed by natural agents will accumulate and cause harmful effects on our environment.