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Which stone treatment reduces spalling risks in ancient Inca masonry?

A)Quarry seasoning and surface orientation
B)Application of bio-degradable polymer sealants
C)Geothermal pre-heating of shaping tools
D)Controlled explosive shaping and placement

💡 Explanation

Quarry seasoning promotes micro-fracture relief through drying, because water expansion during freeze-thaw cycles causes fracture propagation, leading to spalling via cryofracture. Therefore, seasoning minimizes internal stresses rather than preventing water intrusion via sealing.

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