According to Central Pollution Control Board
(CPCB), which particulate size in diameter (in
micrometers) of the air pollutants is responsible for
greatest harm to human health?
(a) 1.0 or less (b) 5.2 - 2.5
(c) 2.5 or less (d) 1.5 or less
(CPCB), which particulate size in diameter (in
micrometers) of the air pollutants is responsible for
greatest harm to human health?
(a) 1.0 or less (b) 5.2 - 2.5
(c) 2.5 or less (d) 1.5 or less