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Which outcome occurred more rapidly when pre-Columbian chinampas lacked proper maintenance?

A)Widespread soil salinization develops
B)Anaerobic decomposition overwhelms roots
C)Accelerated terrace collapse ensues
D)Nitrogen fixation abruptly diminishes

💡 Explanation

When maintenance ceased on the chinampas, waterlogged conditions increased, resulting in anaerobic decomposition because available oxygen was consumed; therefore, roots quickly suffocated rather than thriving in a balanced ecosystem like maintained chinampas.

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