Which morphological change occurs when acidic groundwater's flow rate drops critically inside a karst cave system?

💡 Explanation

Flow reduction restricts the supply of dissolved calcium bicarbonate maintaining disequilibrium conditions for precipitation; thus, stalactite formation accelerates rather than dissolution decelerating, because reduced flow creates supersaturation locally, promoting faster mineral deposition instead of continued dissolution.

• Which risk increases with prolonged water saturation of an aging earthen levee structure?
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