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Which outcome occurred in 17th-century Mughal pietra dura designs, when humidity variations stressed dissimilar marble and gemstone inlays?

A)Progressive tesserae detachment occurred
B)Accelerated pigment oxidation happened
C)Uniform surface gloss enhancement seen
D)Improved structural bonding effectiveness

💡 Explanation

Progressive tesserae detachment occurred with fluctuating humidity because differential THERMAL EXPANSION induced stress concentrations at interfaces, thereby weakening the adhesive bonds, therefore pieces detached rather than exhibiting oxidation pigments, uniform surfaces, or improved structural bonding.

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