Question

Give reasons of the following:
1) deforestation results in soil erosion
2)deforestation results in global warming
3) recycling helps the environment
4) biodiversity need to be conserved
5) deforestation leads to desertification
6)Trees/forests purify the air
7)Birds migrate

Answer 1

deforestation results in soil erosion holds the soil tightly but if there is no plant then the soil will be loose and fertile layer of soil get washed and results in soil erosion.

4-biodiversity needs to be conserved because even a single housefly has its importance in eco system and if we not conserve it then ecosystem will disturb the second reason js that if we not conserve it there will be nothing left for future generations

5- deforestation less to desertification as due to deforestation the upper fertile layer is washed and the third layer of soil profile means hard rocks will appear and led to deforestation

Answer 2

3)Deforestation means cutting of trees. Paper is made of wood. If we recycle paper, we reduce cutting of trees.
4)It should conserved because it can make disturbance in food chain.
2)it will cause an increase in temperature of earth's atmosphere leading to global warming.
5)it will cause soil erosion making the soil infertile leading to desertification.
7)birds need to migrate because of climatic conditions, food availability, breeding.