pyq/2014/geography-optional-i/2

(a) State the concept of plate tectonics. How does it help in explaining the formation of the Himalayas and Appalachian Mountains? (20 marks)

(b) Describe the origin and development of thunderstorms with examples. (15 marks)

(c) Enumerate the major causes of increasing degradation of environment in hills and hillslopes, and state its down-valley impact. (15 marks)