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← GeographyWhich risk increases when construction disrupts longshore drift?
A)Increased erosion downdrift coastline areas✓
B)Increased sedimentation rates upstream rivers
C)Stabilized marine food webs locally
D)Enhanced reef resilience storm surges
💡 Explanation
Erosion increases due to sediment starvation caused by reduced longshore drift because sediment replenishment is halted; therefore, downdrift coastlines erode substantially rather than experiencing deposition because interrupted drift cannot maintain beaches.
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