Multiple Choice
Which of the following is true of the longitudinal profile of most rivers?
A) it always changes at a constant rate from the headwater region to the sea.
B) it is convex in shape.
C) it is concave in shape.
D) it is gentle upstream and steep downstream.
E) it has a length to width ratio of 5:1
Correct Answer:

Verified
Correct Answer:
Verified
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