Question

Why must we conserve our forests? List any two causes for deforestation taking place.

Answer 1

forests are renewable but it takes some time as its a slow process. 
causes of deforestation.
1. increased population leads to increased need for shelter.
2. cutting of trees in large amount and planting in small amount.

Answer 2

We must conserve our forest because :  

(i) They are source of raw materials for our industries.

(ii) They provide us with wood to make furniture and buildings.

(iii)They are source of medicine.

(iv) They provide firewood and food.

Causes of deforestation are :  

(i) Overgrazing  

(ii) Building roads and dams  

(iii) Natural calamities like forest fire.