Which risk increased due to sericulture in the Byzantine Empire when the silkworm Bombyx mori was cultivated outside its native range?

💡 Explanation

Localized mulberry tree diseases increased because monoculture raised disease transmission via genetic bottleneck; therefore, mulberry blight represented a significant economic risk to farms, rather than only fiber alteration or merely boosted dye complexity.

• Which mechanism initially enabled cast iron production in blast furnaces during the Industrial Revolution?
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• Which outcome arises in early steam engines when the piston extensively cools the cylinder during expansion?
• Which outcome resulted from Aztec chinampa construction limiting aquatic foraging grounds?
• Which risk dramatically increased when early Chinese iron bridges exceeded 60 meters in span?
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