When sinkholes expand, creating isolated towers of rock, what is occurring?
a. rainwater is becoming more acidic
b. mature karst topography is being eroded
c. young karst topography is evolving into mature karst topography
d. the water table is lowering, allowing for creation of cave formations
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When sinkholes expand, creating isolated towers of rock, what is occurring?
a. rainwate...
a. rainwate...
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