pyq/2018/csat/29

With reference to 'desertification', as described in the passage, the following assumptions have been made :

1. Desertification is a phenomenon in tropical areas only.

2. Deforestation invariably leads to floods and desertification.

Which of the above assumptions is/are valid?

(A) 1 only

(B) 2 only

(C) Both 1 and 2

(D) Neither 1 nor 2