Which of the following automobiles release large quantities of carbon dioxide and other harmful gases?
a) motorcycles
b) trains
c) ships
d) all of these
Which of the following is the result of air pollution?
a) acid rain
b) deforestation
c) cloning
d Legend
The term smoke was first used in early……….
a) 1800
b )1700
c) 1900
d) 1949
Which of the following are the main effects of air pollution?
a) respiratory problems
b) heart problems
c) asthma
d) all of these
How many children were affected in asthma due to air pollution?
a) 2 million
b) 3 million
c) 4 million
d) 6 million
Air pollution reduces visibility and cause…
a) accidents
b) cloning
c) deforestation
d) Legend