Under humid conditions typical of Aztec chinampa agriculture, which risk increased fungal contamination affected pre-Columbian maize crops?

💡 Explanation

Aflatoxin production increases because molds experience more favorable growth conditions due to high ambient humidity; therefore, aflatoxins contaminate crops rather than starch hydrolysis occurring readily in open soils.

• Which mechanism primarily allowed Roman concrete structures to withstand centuries of weathering compared to earlier mortars?
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