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← HistoryWhich outcome results from unchecked silting within ancient chinampa agricultural systems?
A)Increased flood vulnerability of the fields✓
B)Enhanced fertility through mineral deposition
C)Reduced risk of alkaline soil formation
D)Higher night temperatures in adjacent canals
💡 Explanation
Increased flood vulnerability follows from reduced drainage capacity. The mechanism is reduced water flow because silting obstructs canal networks rather than allowing for improved aeration, therefore resulting in standing floodwater, rather than temperature regulation or increased soil mineral deposits.
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