Question : Fill in the blanks-
__________ is the presence of pollutants in the air and search concentration, which are harmful to men and environment.
Option 1: Water pollution
Option 2: Air pollution
Option 3: Sustainable development
Option 4: None of the above
Correct Answer:
Air pollution
Solution :
Air pollution is the presence of pollutants in the air and search concentration, which are harmful to men and environment.
Hence Option B is correct.