Q21
The concept of graded river profile refers to?
A.
Sudden waterfalls in rivers
B.
A river in equilibrium between erosion and deposition
AnswerC.
Tectonic uplift of valley floors
D.
Steep youthful stage of a river
Answer: Option B
Solution
Answer: Option B
Solution:
A graded river is one that has achieved a balance between erosion and deposition, resulting in a smooth, concave-up profile.It represents the ideal, stable state of a mature river.