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← HistoryWhich outcome results when intense rainfall erodes pre-Columbian terraces?
A)Nutrient depletion accelerates down-slope drastically✓
B)Water infiltration capacity increases initially
C)Crop transpiration rates briefly elevate
D)Soil microbial diversity improves short-term
💡 Explanation
Nutrient depletion accelerates down-slope because rainfall overwhelms soil cohesion, triggering accelerated soil erosion causing nutrient runoff via surface wash, a form of sheet erosion; therefore, fertility drops considerably, rather than increased infiltration until saturation is reached.
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