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← HistoryWhich consequence arises when thermal cycling affects Byzantine tesserae?
A)Tesserae detach due differential expansion✓
B)Grout erodes allowing water ingress
C)Tesserae chemically react with grout
D)Supports crack due to thermal gradients
💡 Explanation
Tesserae detach due to differential thermal expansion, wherein different materials (glass/stone) rate change when temperature varies causing stress in the adhesive because the thermal expansion mismatch, therefore components separate rather than remaining rigidly intact; varying adhesive strength causes similar effects.
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