Which of the following is caused by the release of harmful gases and particulates into the atmosphere?
a) land pollution
b) air pollution
c) soil pollution
d) noise pollution
Humans have also effected the natural balance of….in the atmosphere through deforestation.
a) Gases
b) Water
c) Dust particle
d) Clouds
CNG is a……………
a) Polluted fuel
b) Harmful fuel
c) Clean fuel
d) All of these
Chlorofluorocarbon is used in…………...........
a) Refrigerators
b) Air conditioners
c) Perfumes
d) All of these
Effects of air pollution.
a) Asthma attacks
b) nervous system
c) aquatic life, cancer
d) All of these
The primary cause of acid rain around the world is………………
a) CO2
b) SO2
c) Ozone
d) all
