Which outcome occurred when seasonal floods deposited excessive silt in Mesopotamia's complex network of irrigation canals?

💡 Explanation

When floods deposited excessive silt, sedimentation occurred because the slowing water allowed particles to drop out of suspension, thereby constricting waterways and reducing the canal's carrying capacity, limiting irrigation effectiveness. Therefore, reduced water flow and resultant crop yield decreases, results rather than structural integrity, fertilization, or decreased salinity accumulation which involved distinct processes.

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