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← GeographyWhich geologic event is accelerated by the migration of transverse dunes?
A)Ephemeral stream channel incision✓
B)Karst topography landscape formation
C)Subglacial moraine ridge development
D)Fjord valley isostatic rebound
💡 Explanation
Erosion of underlying rock increases due to the abrasive action from migrating dunes; this process is called aeolian abrasion. Because the consistent movement across a channel bed amplifies weathering, drainage incision happens faster rather than karst, glacial, or coastal geologic events.
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