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← GeographyWhich outcome occurs when increased wave energy impacts fragile coastal cliffs?
A)Accelerated sea cave and arch formation✓
B)Increased stability against future erosion
C)Reduced sediment transfer along shore
D)Elevation of beach plain elevation
💡 Explanation
Sea caves and arches form because WAVE REFRACTION concentrates hydraulic action and abrasion on headlands causing differential erosion; therefore, sea cave enlargements/arch breach leads to stack formation, rather than shorelines building up or becoming stabilized against wave energy.
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