Which degradation accelerates damage ancient mosaic tile, due to placement?

💡 Explanation

Groundwater's upward capillary action causes sulfate attack, weakening the binding mortar because ettringite crystal formation exerts expansive forces via crystallization pressure, rather than oxidation or creep therefore the tile detaches.

• Which outcome results from water accumulation behind Inca retaining walls?
• Which positioning error risks inaccuracy when manually sighting a star via an astrolabe?
• Which effect arises when an astrolabe's altitude scale manufacturing precision degrades over time due to repeated use?
• Which consequence arose when Inca terrace construction failed primarily due to saturated subsoil?
• Which navigation error decreased dramatically when using Harrison's chronometers?
• Which reflective deterioration happens when moisture penetrates Byzantine mosaic tile grouting?