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← GeographyWhich mechanism promotes increased wave energy concentration as headlands erode into isolated stacks?
A)Wave refraction inducing focused erosion✓
B)Sediment deposition stabilizing stack foundations
C)Isostatic rebound uplifting former archways
D)Aeolian accumulation shielding stack surfaces
💡 Explanation
Wave refraction increases wave energy density on stack flanks because the headland's geometry concentrates wave energy there; therefore focused erosion increases, rather than decreased erosion from sediment coverage or uplift.
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