Air pollution level is considered to be moderate if Air Quality index between
A. 0 to 50
B. 51 to 100
C. 101 to 150
D. 151 to 200
Answer:D
Air pollution level is considered to be moderate if Air Quality index between
A. 0 to 50 B. 51 to 100 C. 101 to 150 D. 151 to 200