1.What forms a physical barrier on south Asia's northern Barrier? 2.What landform in south Asia is home to 10 percent of the worlds population?

3. Harsh weather presents what type of hazards for people living in the delta lands of brahmaputra and Ganges rivers?

4. Which area of south Asia has the region's a driest climate?

5. What land form in south Asia holds great commercial value and provides habitat for much of the region's wildlife?