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← GeographyWhich consequence results when unimpeded longshore drift transports sediment?
A)Increased barrier island spatial gradient✓
B)Formation of a glacial isostatic rebound
C)Expansion of continental transform faults
D)Attenuation of deep ocean thermohaline circulation
💡 Explanation
Unimpeded longshore drift causes increased barrier island gradients because differential deposition rates cause islands to grow at varied pace parallel to the shore by sediment transport. Areas receiving sediment build out rather than remaining stable.
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