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← GeographyWhich mechanism causes sea stack formation in stratified sedimentary rock?
A)Differential erosion by wave action✓
B)Isostatic rebound from glacial retreat
C)Tectonic uplift along fault lines
D)Deposition by longshore currents
💡 Explanation
Differential erosion creates sea stacks because weaker rock layers erode faster than resistant layers creating isolated pillars; therefore, the wave action degrades softer sediment rather than tectonic processes that do not directly form stacks.
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