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← HistoryWhich environmental outcome emerged after the widespread Mono culture of maize by early Mesoamerican civilizations?
A)Decreased soil microbiome diversity✓
B)Reduced atmospheric carbon dioxide
C)Increased surface water alkalinity
D)Enhanced regional precipitation patterns
💡 Explanation
When maize monoculture became widespread, the lack of crop rotation depleted specific soil nutrients and favored certain microbial populations, decreasing the overall diversity of the soil microbiome because continuous nutrient extraction changes soil dynamics impacting organism survival. Decreased microbiome diversity led to less resilient fields, rather than carbon dioxide decrease or rain increases since the scale of impact was limited and localized.
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