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← HistoryWhich risk increased for inlaid marble panels within Mughal gardens water features during winter freezes?
A)Pietra dura spalling✓
B)Efflorescence formation
C)Algae biofilm growth
D)Oxidation discoloration
💡 Explanation
Pietra dura spalling increased because cyclical temperature drops facilitated freeze-thaw weathering; ice expansion within pores generates stress, leading to material fragmentation rather than surface oxidation discoloration as metals weren't always inlaid.
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