Q42 of 287 Page 362

Define soil.

The topmost layer of earth’s crust that supports life forms is known as soil. Soil decides the diversity of soil in a area.


More from this chapter

All 287 →
40

Name the disease caused by mercury pollution of water.

 41

What is thermal pollution?

 43

Name three physical agents which cause weathering of rocks.

 44

Name the two processes which contribute to soil formation.