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← HistoryWhich outcome frequently resulted when ancient Andean terrace farms cultivating maize experienced prolonged drought conditions?
A)Nutrient leaching and soil acidification
B)Salinization and reduced yields downstream✓
C)Enhanced biodiversity within terraces
D)Increased water infiltration to aquifers
💡 Explanation
When terrace farms experienced prolonged drought, capillary action drew subsurface salts to the surface because of water evaporation, leading to salinization that reduced yields for downstream terraces. Therefore soil salinization resulted, rather than leaching, biodiversity gains, or infiltration which require different hydrological mechanisms.
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