Available Answers

1. 1.

   Fill in the blanks.

   1. Animals depend on _______________ for food.
   2. Soil is composed of tiny particles of ______________.
   3. Soil formation is a very _______________ process.
   4. The ______________ layer of soil is composed of humus.
   5. A river carry a lot of _______________ with it.
2. 2.

   Match the following.

   a. Topsoil	i. Roots cannot reach here
   b. Bed rocks	ii. Wind
   c. Subsoil	iii. Terrace farming
   d. Soil erosion	iv. Roots of only big trees reach here
   e. Soil conservation	v. Plants fix roots here

    

3. 3.

   Define soil.
4. 4.

   Define weathering.
5. 5.

   What is soil made of?
6. 6.

   Define humus.