Which outcome resulted from prolonged exposure of early Mesopotamian copper tools to sulfide-rich soil?

💡 Explanation

When copper tools were in contact with sulfide-rich soil, sulfidation corrosion occurred because copper reacts with sulfur to form copper sulfide, which is not protective, leading to accelerated degradation. Therefore, corrosion rates increased, rather than forming protective oxides or increasing strength, which require different environmental conditions and processes.

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