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← HistoryWhich outcome reduced chinampa productivity when the Valley of Mexico experienced prolonged drought during Aztec times?
A)Decreased solute transport efficiency✓
B)Increased dissolved oxygen levels
C)Enhanced nitrogen fixation rates
D)Greater thermal buffering capacity
💡 Explanation
Decreased solute transport efficiency lowered the transport of nutrients because drought reduced the water table, which relies on capillary action for access to minerals; therefore, chinampa crop yield decreased, rather than experiencing any enhancement of nitrogen due to reduced runoff.
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