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← HistoryWhich long-term consequence developed because raised chinampa field systems affected the local environment?
A)Selective pressures on crops✓
B)Uniformity of soil composition
C)Improved predictability of harvests
D)Decreased requirement for terracing
💡 Explanation
Chinampas caused in situ selective pressure through continuous cultivation, which encouraged the selection of specific genetic traits in maize, eventually leading to unique landraces because the artificial wetlands had elevated humidity rather than typical arid conditions; therefore, understanding this pre-Columbian cultivation method is important.
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