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← HistoryWhich outcome can occur when improperly irrigating tiered Aztec chinampas?
A)Increased mineral leaching from soils✓
B)Enhanced carbon fixation in biomass
C)Improved nitrogen assimilation by crops
D)Decreased evapotranspiration from foliage
💡 Explanation
Increased mineral leaching results because of differential water pressure, activating a hydraulic gradient that accelerates solute transport. Therefore soil fertility reduces, rather than enhancing carbon fixation, or improving evaporation because water is unevenly distributed on tiers.
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