Q. Which one of the following is a wrong statement?

A) Greenhouse effect is a natural phenomenon
B) Eutrophication is a natural phenomenon in freshwater bodies
C) Most of the forests have been lost in tropical areas
D) Ozone in upper part of atmosphere is harmful to animals
Explanation

The troposphere is the lowest layer of earth’s atmosphere. Bad ozone formed in troposphere and is harmful to plants and animals

Dr. Abubacker
Reviewed by Dr. Abubacker

Physics Educator & NEET/JEE Specialist

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