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← HistoryWhich benefit derived from ancient Mayan chinampa cultivation along freshwater lake edges?
A)Increased soil fertility via nutrient cycling✓
B)Reduced water salinity via tidal flushing
C)Enhanced pollination via windbreaks
D)Improved irrigation via gravity-fed canals
💡 Explanation
Mayan chinampas allowed intensive agriculture because decaying vegetation within the raised beds released nutrients, consistently regenerating the soil fertility. Therefore, boosted soil fertility resulted, rather than salinity reduction, pollination, or canal-based irrigation, which involve different ecological actions or water control mechanisms.
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