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← HistoryWhich adaptation primarily increased crop consistency in pre-Columbian chinampa raised-bed agriculture?
A)Enhanced water table regulation✓
B)Selective breeding of maize
C)Rotation using native legumes
D)Widespread terraced slope cultivation
💡 Explanation
Chinampas regulate temperature gradients because the raised beds are surrounded by water, providing thermal mass via evaporative cooling and heat retention; therefore, it avoids temperature shock, rather than depending on solely genetic adaption or external topography changes.
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