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← HistoryIn Agra's Mughal-era inlay, which degradation arises with fluctuating humidity?
A)Pietra dura detachment✓
B)Material chromatic shifting
C)Cement volume expansion
D)Gemstone abrasive weathering
💡 Explanation
Cycles inducing detachment arise because differential thermal expansion occurs from varying materials which stresses their glue interfaces – called differential thermal expansion – therefore adhesion weakens with expansion, rather than bulk chemical alterations or abrasion.
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