31.
What is the term for wind-deposited silt that forms fertile soils?

32.
A conical hill formed by the collapse of a limestone cave roof is called?

33.
Which landform is created when a river erodes sideways?

34.
What type of delta is formed when river deposition dominates over tidal or wave action?

35.
What is exfoliation in geomorphology?

36.
A narrow, steep-sided coastal inlet formed by glacial erosion is called?

37.
What is the term for the lowest point to which a stream can erode?

38.
Which of the following is a depositional coastal feature?

39.
What is an arete in glacial geomorphology?

40.
Which of the following landforms indicates recent tectonic uplift?