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← HistoryWhich environmental consequence most likely results when pre-Columbian chinampa agriculture systems degraded due to warfare disruption?
A)Increased soil salinity from reduced flushing✓
B)Elevated methane emission from decaying canals
C)Reduced biodiversity because of monoculture
D)Depleted aquifer recharge through groundwater loss
💡 Explanation
When chinampas are abandoned, lack of maintenance inhibits freshwater flow, leading to increased evapotranspiration and capillary action, thereby concentrating salts in the root zone. Therefore, increased salinity results, rather than methane emission, biodiversity loss or water depletion, that require distinct conditions in properly functioning Chinampa systems.
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