Environmental

Kentucky's karst topography (limestone geology) creates a specific concern for property development because of:

AHigh radon levels from uranium in limestone
BSinkholes that can develop suddenly and damage structures✓ Correct
CArsenic contamination in groundwater
DMethane seeping from limestone formations

Explanation

Karst topography, common in parts of Kentucky (particularly central Kentucky), features limestone bedrock that dissolves over time creating caves, sinkholes, and subsurface voids. Sinkholes can develop suddenly and pose serious risks to buildings, roads, and utilities.

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