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Which corrosion outcome arises if early Bronze Age copper smelting lacked sufficient control of sulfur?

A)Pitting favors grain boundary attack
B)Galvanic cell accelerates oxidation rate
C)Intergranular deterioration weakens structure
D)Creep ruptures at higher temperatures

💡 Explanation

Intergranular deteoriation occurs, because sulfur inclusions form copper sulfide along grain boundaries during casting impacting alloy cohesion via grain boundary diffusion, therefore mechanical integrity decreases, rather than uniform surface corrosion occurring.

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