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Geography

Which outcome results when calcium carbonate rock undergoes karstic dissolution?

A)Formation of sinkholes and caves
B)Deposition of alluvial mineral placers
C)Increased CO2 sequestration by silicates
D)Development of stratified soil horizons

💡 Explanation

Sinkholes form because carbonic acid from rainwater weathers the bedrock via dissolution; dissolution removes the calcium carbonate, thereby creating voids in the geology rather than resulting in stratified soils or alteration of silicates.

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