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Which outcome occurs when pre-Columbian terrace construction lacked proper drainage?

A)Increased parasitic worm prevalence
B)Accelerated topsoil nutrient leaching
C)Strengthened crop root systems
D)Reduced rates of hillside erosion

💡 Explanation

Increased parasitic worm prevalence occurs because waterlogged soil enables parasitic larvae survival causing infection due to poor sanitation during historic agricultural activities. Efficient drainage would dry out contaminated regions, therefore infection rates are reduced, rather than intensified.

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