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← HistoryWhich degradation mechanism limited the lifespan of early Mesopotamian bronze tools?
A)Graphitic corrosion from river sediments
B)Dezincification due to acidic groundwater
C)Work hardening from repeated impacts✓
D)Creep deformation during storage
💡 Explanation
When bronze tools were repeatedly used, work hardening occurred because dislocations accumulated in the metal's crystal structure during hammering or cutting. Therefore the tools became brittle and susceptible to cracking, rather than graphitic corrosion, dezincification, or creep which require different material and environmental conditions.
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