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← HistoryWhich consequence resulted when Inca agricultural terraces exceeded wall stability limits?
A)Reduced soil fertility occurred rapidly
B)Terrace collapse induced landslides downhill✓
C)Decreased sunlight exposure harmed plants
D)Excessive erosion depleted water reserves
💡 Explanation
Complete Inca terraces suffered collapse due to exceeding structural capacity; the mechanism is slope instability. This causes landslides because the angle of repose was decreased, therefore destabilizing upper terraces, rather than simply reducing soil fertility.
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