Multiple Choice
Which one of the following logically explains why parts of some cavern systems are aerated?
A) The main water table is perched above the cavern roofs, allowing air to enter.
B) A nearby, downcutting stream lowered the water table after the caves had formed.
C) The caves formed and later the water table rose.
D) Streams formerly flowing on the surface were diverted into the groundwater system through sinkholes.
Correct Answer:

Verified
Correct Answer:
Verified
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