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← HistoryWhich agricultural outcome benefited pre-Columbian maize cultivation within terrace systems?
A)Accelerated nutrient depletion from soil
B)Enhanced moisture retention in dry seasons✓
C)Increased susceptibility to frost damage
D)Reduced biodiversity due to monoculture
💡 Explanation
When terraces were constructed, contour plowing created level platforms, which enhanced rainwater infiltration because water movement slowed down, enhancing moisture retention, particularly vital during dry seasons. Therefore enhanced moisture retention results, rather than alternatives which depend on different environmental preconditions.
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