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Which consequence arises when terraced maize agriculture disrupts topsoil retention?

A)Reduced downstream turbidity results
B)Increased nitrogen fixation occurs
C)Accelerated downstream siltation occurs
D)Elevated carbon sequestration happens

💡 Explanation

Disrupted topsoil retention causes increased downstream siltation because soil erosion overcomes natural hydrological buffering, initiating sediment transport in waterflow as *hydraulic entrainment*. Therefore, silt accumulation increases, rather than leading to improvement in water conditions or carbon levels.

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