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Geography

Following heavy rainfall, which outcome occurs because of dissolved bedrock?

A)Sudden sinkhole collapse appears in urban area
B)Increased beach erosion along the coastline
C)Rapid glacier melt in alpine region
D)Decreased salinity in estuarine ecosystems

💡 Explanation

Sinkhole collapse occurs due to subsurface limestone dissolution, enlarging cavities which leads to ground collapse because heavy rainfall accelerates chemical weathering. Therefore, sinkholes form in urban environments, rather than changes affecting shorelines, glaciers, or estuaries which involve different mechanisms.

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