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Geography

Which risk increases when a coastal engineering project disrupts sediment transportation?

A)Increased erosion downcurrent of structures
B)Formation of stable, larger deltas
C)Decreased turbidity near river mouths
D)Enhanced deposition within engineered harbors

💡 Explanation

Increased erosion downcurrent becomes likely because interrupting longshore drift starves beaches of sediment; therefore erosion increases, rather than delta formation and harbor siltation risks are heightened in adjacent areas causing increased erosion problems.

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