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Geography

Which long-term outcome results when isostatic rebound lags behind eustatic sea-level rise?

A)Increased island submergence and net erosion
B)Enhanced coastal progradation and sedimentation
C)Stabilized shorelines with balanced sediment budget
D)Accelerated cliff formation dominant physical weathering

💡 Explanation

Increased island submergence will occur because isostatic rebound, the lifting of land masses after glacial retreat, is slower than eustatic sea level rise, the absolute increase global sea levels; therefore, islands become more vulnerable to erosion, rather than net deposition.

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