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← HistoryWhich consequence arises on pre-Columbian agricultural terraces when rainfall intensity surpasses the infiltration capacity?
A)Terrace wall structural collapses
B)Decreased nutrient percolation depth
C)Aggravated soil salinization effects
D)Increased surface runoff and erosion✓
💡 Explanation
Increased surface runoff and erosion are caused by surpassing infiltration limits; backflooding of sediment occurs because saturation enables suspended particles to flow, therefore soil erodes rather than being retained, while structural damages are less relevant under short overflow periods.
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