Podcast
Questions and Answers
What characterizes a stream valley in the youth stage?
What characterizes a stream valley in the youth stage?
- Broad floodplain and slow-moving water
- Steep sides and no established floodplain (correct)
- Wide stream formation and gentle hills
- Smooth valley and U-shaped
During the maturity stage, what change occurs in the stream valley?
During the maturity stage, what change occurs in the stream valley?
- Erosion of valley sides instead of downward erosion (correct)
- Narrowing of the valley
- Formation of boulders, rapids, and waterfalls
- Increase in stream velocity and gradient
What is a characteristic of a mature stream valley?
What is a characteristic of a mature stream valley?
- Presence of boulders, rapids, and waterfalls
- Steep sides and interrupted stream flow
- High flow gradient and rapid water movement
- Sloping valley sides and a large floodplain (correct)
Why are stream valleys in the old age stage more susceptible to floods?
Why are stream valleys in the old age stage more susceptible to floods?
What type of flow does a stream valley in the old age stage have?
What type of flow does a stream valley in the old age stage have?
What is the main factor that leads to the formation of a stream valley?
What is the main factor that leads to the formation of a stream valley?
What is a floodplain in a stream valley?
What is a floodplain in a stream valley?
During which stage of a stream valley's aging process is there vigorous and energetic water flow resulting in downward erosion?
During which stage of a stream valley's aging process is there vigorous and energetic water flow resulting in downward erosion?
What causes most changes to the land around a stream?
What causes most changes to the land around a stream?
What is an essential characteristic of a stream valley?
What is an essential characteristic of a stream valley?
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