Which risk increases when bloomery iron smelting lacks proper ventilation?

💡 Explanation

Inadequate ventilation during bloomery iron smelting leads to incomplete combustion because of limited oxygen, resulting in increased carbon monoxide production via incomplete oxidation of the charcoal fuel; therefore, the risk of carbon monoxide poisoning increases rather than altered slag formation.

• Which outcome occurred due to improperly compacted aggregate base beneath typical Roman roads?
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• Which material failure occurred if Ming Dynasty rockets exploded prematurely?
• Which outcome accelerated decline amongst Byzantine silk artisans when Western demand increased?
• Which outcome was LEAST likely to result from poorly-maintained terrace systems in pre-Columbian Andean agriculture?
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