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← HistoryWhich outcome was promoted when the ancient Chimú civilization optimized its maize crop usage within its irrigation systems?
A)Decreased topsoil erosion downstream areas✓
B)Increased arsenic concentration in soils
C)Reduced calcium carbonate soil alkalinity
D)Increased phosphorus leaching eutrophication
💡 Explanation
Optimization of maize for increased yield led to dense root systems that stabilized the soil because root reinforcement increased soil cohesion, therefore reducing topsoil erosion rather than nutrient enrichment, influenced by water management.
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