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← GeographyWhich formation process dominates when wave-cut platforms erode isolated headlands?
A)Hydraulic action forms coastal stacks✓
B)Differential erosion creates sea caves
C)Isostatic rebound elevates former shorelines
D)Chemical weathering alters sediment composition
💡 Explanation
Hydraulic action carves out less resistant rock within the headland, creating arches that collapse and leaving stacks; because wave energy concentrates on headlands, therefore hydraulic action is the primary process, rather than eustatic uplift which affects regional coastlines.
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