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← HistoryWhich outcome occurs when subsurface freezing causes expansion surrounding Mughal-era pietra dura inlay?
A)Tesserae detachment from differential stress✓
B)Uniform compressive stress distribution occurs
C)Matrix chemical bonds become strengthened
D)Inlay bulk compressive strength increases
💡 Explanation
Tesserae detach because freeze-thaw cycles induce differential thermal HYPEREXTENSION, causing non-uniform stress in adjacent materials as the stone expands. Therefore, tesserae lift away rather than remaining bound due to exceeding strain threshold or even compressive bulk strengthening effect.
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