1. How do impermeable surfaces influence the amount of runoff when it rains in a desert?
2. How does the sparse cover of soil and vegetation influence weathering and erosion in deserts?
3. What is the difference between an exotic stream and an ephemeral stream in a desert?
4. Explain the significance of flash floods and debris flows in deserts.
5. Why is the piedmont zone an area of fluvial deposition in most deserts?