1.State the chemicals responsible for ozone layer destruction

2.Name any two

(a)Natural sources of atmospheric pollution

(b)Gases which are responsible for the formation of acid rain

3.Explain the term global warming.State two ways by which global warming can be reduced.

4.State two effects of ozone depletion

5.What is the cause of acid rain?Give any two impacts of acid rain

6.Explain the methods of preventing acid rain

7.State an advantage of CNG(Compressed Natural Gas)

8.State how CFC break ozone layer.

9.Describe the methods of saving ozone layer