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Which 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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