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← HistoryWhich limitation arises when terraced hillside farming encounters prolonged periods of heavy rainfall?
A)Nutrient depletion from topsoil runoff✓
B)Increased risk of pest infestation
C)Reduced sunlight exposure to crops
D)Decreased soil pH due to acidification
💡 Explanation
When heavy rainfall occurs on terraced hillside farms, rapid soil erosion happens because water overcomes soil cohesion, leading to nutrient-rich topsoil runoff. Therefore nutrient depletion from runoff results, rather than pest infestation, reduced sunlight, or soil acidification which manifest through different environmental mechanisms.
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