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← GeographyWhich outcome occurs when industrial effluent weakens river levees?
A)Increased flood plain sedimentation rate
B)Elevated regional groundwater table
C)Localized subsidence and bank failure✓
D)Decreased stream channel sinuosity
💡 Explanation
Localized subsidence results because chemical weathering weakens the structural integrity of the levee material, therefore weakening leads to collapse rather than increased sedimentation which requires sediment transport and deposition, and groundwater changes are more regional
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