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← HistoryWhich outcome accelerated soil degradation in some pre-Columbian Andean terrace farming systems?
A)Overgrazing livestock compacting the soil
B)Monoculture planting depleting nutrients
C)Deforestation increasing soil erosion
D)Irrigation practices causing soil salinization✓
💡 Explanation
When irrigation water evaporates, salt deposition occurs because water salinity concentrates in the soil over time, leading to reduced fertility and crop yields. Therefore, salinization results, rather than overgrazing, monoculture, or deforestation which involve alternative land management challenges.
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