Which risk significantly increased in chinampa agriculture when using concentrated human waste?

💡 Explanation

Bacterial contamination increased because night soil was directly applied; the contact transmission mechanism transferred pathogens like E. coli to edible plants. Therefore, foodborne illness outbreaks rose on improperly treated plots; rather than nutrient lockup or damage specifically to the infrastructure.

• Which outcome occurs when Roman siege engines launch projectiles that impact fortifications unevenly?
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• Which phenomenon allowed Alhazen to accurately trace paths?
• Which chemical outcome results when sulfide ores are smelted using only ancient Mesopotamian techniques?
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• Which error introduced using a sextant at sea most directly affects computed vessel position?