Q. In the 1990s, Delhi ranked …….. among the 41 most polluted cities in the world
A) 4th
B) 5th
C) 6th
D) 7th
Explanation
In the 1990s, Delhi ranked 4th among the 41 most polluted cities in the world
Reviewed by Dr. Abubacker
Physics Educator & NEET/JEE Specialist
Ph.D. in Physics with 19+ years of teaching experience.