Available Answers

1. 1.

   Name two diseases caused due to air pollution in busy cities and towns.

2. 2.

   Name two impacts of fertilizer and pesticide contamination.

3. 3.

   What is the purpose of composting? State two points.

4. 4.

   What are the methods of treating air pollutants?

5. 5.

   Why is an efficient drainage system important?

6. 6.

   What are the processes of separating the solid waste in effluent treatment method?