question_answer

Man carries out deforestation to provide space for buildings and farms. Some also cut down trees to provide wood for furniture and paper manufacturing. Which of the following would possibly result from the above activities?

(i) Top soil erosion may occur.

(ii) Some animals may become extinct.

(iii) There may arise a problem of global warming.

(iv) Some possible sources of natural drugs to cure diseases may be lost.

A)  (i) and (ii) only

B)  (iii) and (iv) only

C)  (i), (ii) and (iii) only

D)  (i), (ii), (iii) and (iv)