What Is Karst and How Does It Form

Multiple Choice

What is karst and how does it form?

A) Karst is the ragged surface dissolved on the surface of limestone bedrock formerly buried under soil.
B) Karst is windblown dust deposited in areas of dune-like hills.
C) Karst is the deposit of calcium carbonate that precipitates on rocks in soil when groundwater evaporates.
D) Karst is the cold wind that blows off the North Atlantic Ocean at times in late fall.
E) Karst is the product of reaction between acid rain and limestone in the ground.