Available Answers

1. 1.

   What is another word for non-renewable resources?

2. 2.

   Name any two inexhaustible resources.

3. 3.

   Give two causes of water pollution.

4. 4.

   Write two ways of controlling air pollution.

5. 5.

   How can soil get polluted by chemical fertilizers and pesticides?

6. 6.

   Fill in the blanks.

   1.  The process by which rich top soil is lost by wind or water is called soil _______________ .
   2.  ________________ is the practice of growing different crops in a given area each season.
   3.  Check dams and rainwater harvesting are a means of _________________ conservation.
   4.  An _______________ species is one which faces extinction.
   5.  ________________ energy is obtained by splitting or combining atoms.