21.
The concept of graded river profile refers to?

22.
What is the role of vegetation in slope stability?

23.
A flat-topped mountain formed by differential erosion is called?

24.
Which of the following is formed by solution weathering in limestone regions?

25.
Which river feature forms due to deposition on the inside bend of a meander?

26.
What kind of sediment is typically transported as bed load in a river?

27.
The term "inselberg" refers to?

28.
What is a floodplain?

29.
Which process causes downcutting of river valleys?

30.
What is the landform created when a river overflows and changes course permanently?