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← GeographyWhich process causes increased stream meandering downstream in a humid, temperate region due to deforestation?
A)Reduced floodplain sediment deposition
B)Increased evapotranspiration rates upstream
C)Decreased stream channel scour depth
D)Elevated bank erosion from weakened roots✓
💡 Explanation
When deforestation occurs, the reduction in root systems weakens stream banks, increasing stream bank erosion and sediment load because vegetation is no longer holding the soil. Therefore, elevated bank erosion results, rather than altered floodplains, evapotranspiration, or a modified scour depth which involve different mechanisms and effects.
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