pyq/2021/geography-optional-i/2

(a) The concept of Plate tectonics has been derived from the isostasy and continental drift theory. Elaborate citing suitable examples. (20 marks)

2. (b) Give a detailed account of bottom topography of the Pacific Ocean. (15 marks)

2. (c) Soil erosion and soil degradation are threat to food supply. Discuss. (15 marks)