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← GeographyWhich mechanism allows cave formation despite limited rainfall?
A)Hypogene speleogenesis dissolves deep limestone✓
B)Glacial scouring physically erodes rock
C)Thermal expansion cracks bedrock layers
D)Aeolian abrasion creates shallow cavities
💡 Explanation
Hypogene speleogenesis allows cave formation where ascending, chemically-charged groundwater dissolves limestone from below, because this process is independent of surface rainfall, therefore allowing caves to develop in arid and semi-arid regions, rather than requiring rainfall-driven epigene processes.
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