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← GeographyWhich outcome results when rising sea levels overwhelm barrier island sediment transport?
A)Increased estuarine salinity intrusion✓
B)Accelerated thermohaline circulation slowdown
C)Enhanced offshore nutrient upwelling
D)Decreased coastal fog frequency
💡 Explanation
Increased estuarine salinity intrusion occurs because island overwash and breaching cause landward transport of saltwater via tidal inlet migration, creating brackish conditions rather than only freshwater influence; therefore, salinity alteration occurs, rather than other atmospheric/oceanic changes.
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