Which irrigation-related consequence arose when Tenochtitlan's *chinampas* exceeded optimal density?

💡 Explanation

Decreased spacing caused `nutrient competition` because the soil fertility was finite; therefore maize yields declined, rather than excess moisture, because humidity changes or waterborne vectors are less direct yield limiters than nutrient limitation.

• Which risk increases when ropes supporting an ancıent Incan suspension bridge experience excessive moisture?
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