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← HistoryWhich outcome arises in historical pietra dura mosaics due to inconsistencies?
A)Differential thermal expansion stresses cracking✓
B)Optical interference creating iridescence
C)Electrochemical corrosion degrades cement
D)Resonance amplification produces acoustic damage
💡 Explanation
Differential thermal expansion causes varying expansion between the inlaid stone and the base material, initiating stress- Cracking is triggered within the mosaic because the materials expand unevenly, therefore leading to fractures rather than optical or acoustic effects.
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