Available Answers

1. 1.

   Name any two natural sources of atmospheric pollution.

2. 2.

   Name any two gases which are responsible for the formation of acid rain.

3. 3.

   Explain the term 'global warming'.

4. 4.

   State two effects of ozone depletion.

5. 5.

   What is meant by the term 'acid rain'. Give any two impacts of acid rain.

6. 6.

   State two ways by which global warming can be reduced.