A small hill, knob, or mound of glaciofluvial sorted sand and ...

[ereecah]

A small hill, knob, or mound of glaciofluvial sorted sand and gravel that is formed on or inside a glacier and is later left on the surface after the glacier retreats is a(n)
 
  A) esker. B) kame. C) kettle. D) drumlin. E) col.

Question 2

A sinkhole that develops over the roof of an underground cavern is known as a
 
  A) drip curtain.
  B) solution sinkhole.
  C) collapse sinkhole.
  D) karst valley.
  E) karst tower.

[dajones82]

Answer to Question 1

B

Answer to Question 2

C