Which material degradation mechanism limited Mesopotamian bronze tools' cutting-edge durability in humid environments?

💡 Explanation

In humid Mesopotamian environments, sulfide impurities in smelted bronze caused galvanic corrosion because sulfides acted as cathodic sites accelerating oxidation of the bronze alloy particularly along grain boundaries leading to embrittlement. Therefore, intergranular corrosion resulted, rather than dezincification, erosion, or work hardening which require different environmental or mechanical conditions.

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