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← GeographyWhich weathering cause accelerates the erosion of coastal sea stacks formed from sedimentary rock?
A)Hydraulic action along stack bedding planes✓
B)Increased mantle plume volcanic activity
C)Glacial abrasion on exposed stack faces
D)A decrease in isostatic rebound rates
💡 Explanation
Hydraulic action accelerates sea stack erosion because pressurized water forces into bedding planes initiates fracturing, therefore differential erosion is increased, rather than solely chemical weathering; other processes are unrelated factors.
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