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← GeographyWhich coastal outcome occurs when hydraulic action dominates?
A)Increased sea stack formation rate✓
B)Accelerated longshore current formation
C)Greater sandbar deposition offshore
D)Enhanced salt marsh area stability
💡 Explanation
Increased sea stack formation occurs first because hydraulic action is the mechanical erosion mechanism and weaker rock is destabilized and moved away; therefore sea stacks form from resistant rock rather than sandbar deposition since wave energy patterns vary along coastlines.
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