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← HistoryWhich outcome occurs when excess evapotranspiration taxes pre-Columbian terrace agriculture in the Andes?
A)Increased sediment deposition upslope
B)Accelerated soil nutrient depletion✓
C)Enhanced slope water infiltration
D)Decreased biodiversity of staples
💡 Explanation
Accelerated soil nutrient depletion occurs because evapotranspiration surpasses precipitation, drawing salts to surface soils via capillary action; this accumulation results in reduced fertility in arid conditions, therefore diminished yields, rather than deposition, increased infiltration, or direct diversity loss.
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