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← HistoryAlong steep Andean slopes, which outcome reduces when Incan agricultural terracing encounters heavy rainfall?
A)Nutrient loss accelerates severely.✓
B)Erosion rates noticeably decrease.
C)Reservoir overflow occurs rapidly.
D)Crop yield improves immediately.
💡 Explanation
Increased rainfall on steep slopes without proper terracing can lead to increased soil erosion, because runoff volume overwhelms infiltration capacity, leading to increased nutrient loss due to the mechanism of sheet erosion. Therefore, nutrient loss rapidly accelerates, rather than improving yield or reducing erosion, especially given existing soil profiles.
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