Page 69 - full

D. Answer the following questions.
1. What is soil? Why is it important for all living things?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
2. What does a soil contain?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
3. What are three layers of soil?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
4. What do you mean by soil erosion?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
5. How is man responsible for soil erosion?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________
6. What are embankments?
____________________________________________________________________
____________________________________________________________________
7. What do you understand by soil conservation?
____________________________________________________________________
____________________________________________________________________
____________________________________________________________________

73