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← HistoryWhich advantage resulted from chinampa construction in the lacustrine environment of the Aztec civilization?
A)Reduced topsoil erosion during heavy rains✓
B)Increased soil salinity from groundwater upwelling
C)Natural pest control by aquatic organisms
D)Enhanced groundwater drainage for aeration
💡 Explanation
When chinampas were constructed, the raised beds and surrounding canals facilitated water management and nutrient cycling, reducing topsoil erosion because the root systems were protected. Therefore, reduced erosion resulted, rather than increased salinity or providing pest control and groundwater drainage because their construction improved soil stability and minimized exposure to flooding.
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