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← GeographyWhich risk increases when acidic groundwater interacts with limestone?
A)Sudden sinkhole formation near habitation✓
B)Increased surface water nutrient concentration
C)Accelerated chemical weathering of granite
D)Reduced sediment load in river systems
💡 Explanation
Sinkhole formation increases via dissolution because carbonic acid erodes limestone bedrock via chemical weathering, forming cavities; therefore, surface collapse occurs near habitation rather than increased nutrient content because dissolution weakens structures.
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