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← GeographyWhich consequence results when longshore drift transports large volumes of sand over a naturally occurring submerged contour?
A)Formation of offshore barrier islands✓
B)Increased wave energy on beach
C)Development of deep ocean trenches
D)Accelerated glacial ice formation
💡 Explanation
A barrier island emerges because sediment accumulation driven by longshore drift exceeds the erosion on the seaward side; this process, called sediment bypassing, allows islands to form rather than just eroding the submerged contour due to wave action alone.
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