9. Statement: potholes are small, circular depressions found in riverbeds formed by abrasive action of swirling water and rocks.
Question: what type of environment is most likely to lead to the formation of potholes in a river?
Опрос
- a. A river with slow moving water and low sediment load
- b. A river with high turbulence, where water and sediment swirl in whirlpools
- c. A river flowing over a uniform, smooth bedrock surface
- d. A river that has a low gradient and experiences infrequent flooding