Cutting down trees on a large scale impacts the quality of the soil. Class 6

Cutting down trees on a large scale impacts the quality of the soil. Class 6

Question 1.

Cutting down trees on a large scale impacts the quality of the soil. Why do you think it is so? Class 6

Answer:

Yes, large scale cutting of trees causes soil erosion. The roots of trees help to hold the soil. But when trees are cut down, the roots are no longer holding the soil together and physical factors like, water, wind etc. can displace the soil cause floods.

Question 2.

Explain two ways in which human activities pollute the air. Propose one action which can help in reducing air pollution. Class 6

Answer:

1. Use of vehicles which emit harmful gases to pollute the air.
2. Factories generate lot of gases in the atmosphere which also pollute the air.

Reduce air pollution: Use battery operated vehicles, CNG vehicles.