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← HistoryWhich outcome resulted most directly from intensive maize farming on hillsides in pre-Columbian Mesoamerica?
A)Increased soil erosion and sedimentation✓
B)Depletion of phosphorus in volcanic soils
C)An expansion of the natural prairie ecosystem
D)Higher biodiversity throughout agricultural land
💡 Explanation
When intensive maize farming was practiced on steep hillsides, deforestation occurred, eliminating root systems that prevent erosion because intensive land cleared destabilized the top soil. Therefore, increased soil erosion and sedimentation occurred, rather than phosphorus depletion, prairie expansion, or increased biodiversity, which require different agricultural systems and climate condition.
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