Which risk increased during early maize cultivation due to selective breeding?

💡 Explanation

Selective breeding in early maize cultivation decreased genetic variation via genetic drift, because farmers favored specific traits, therefore the crop's resilience to diseases lessened, rather than developing broad resistance.

• Which structural degradation occurs when excessively weighting Byzantine silk tapestries?
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• Which problem increased sediment accumulation inside Roman gravity-fed aqueducts, reducing flow?
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