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Which risk increased for the pre-Columbian Maya civilization when terraces built for maize cultivation experienced prolonged rainfall?

A)Reduced nitrogen fixation in soil
B)Quicker maize germination
C)Increased vulnerability to mudslides
D)Elevated nocturnal temperatures

💡 Explanation

When prolonged rainfall occurred, increased soil saturation led to reduced shear strength due to added pore pressure causing catastrophic mudslides, burying cultivated lands. Therefore increased vulnerability to mudslides results, rather than reduced nitrogen requiring drier conditions, quicker germination which would be beneficial, or elevated temperatures which are associated with other climate patterns.

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