The major pollutant from automobile exhaust is
A). NO
B). CO
C). SO2
D). Soot
"Smog" is a mixture of
A). Smoke and Fog
B). Snow and Fog
C). Snow and Dust
D). Sulphur Dioxide and Fog
Moisture in the air is known as
A). Water
B). Fog
C). Snow
D). Humidity
_______ is an example of "bottom feeders".
A). Cat fish
B). Frog
C). Snake
D). Tadpole
Condensation nuclei may be:
A). Particles of dust
B). Nitric acid particles
C). Smoke from forest fires
D). Salt from the ocean
E). All of these