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Which outcome occurs when differential weathering undermines coastal sea stacks?

A)Increased wave refraction occurs at headlands
B)Localized turbidity currents form offshore
C)Longshore drift sediment load increases
D)Halocline formation strengthens nearshore

💡 Explanation

Increased longshore drift sediment loads occur because accelerated erosion from the stacks collapse increase the suspended particulate matter via hydraulic action. Sea stack disintegration primarily affects sediment transport rather than altering wave dynamics which require headland features to cause refraction; therefore, option C.

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