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← GeographyWhich outcome occurs when a meander stream encounters increased sediment load exceeding carrying capacity?
A)Braided stream pattern development✓
B)Increased stream channel sinuosity
C)Enhanced floodplain soil aeration
D)Accelerated bedrock channel incision
💡 Explanation
Braided streams develop because increased sediment exceeds stream power, fostering Aggradation exceeding transport via decreased hydraulic radius and increased friction; therefore, a classic broad braided pattern emerges, rather than continued uniform channel incision.
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