Which mechanism ensured the longevity of Byzantine mosaic tesserae in the Hagia Sophia amid frequent seismic activity?

💡 Explanation

Flexible mortar bed accommodation allowed differential movement without fracturing tesserae because the mortar absorbed energy; therefore, the mosaics survived earthquakes rather than spalling like rigid tile systems under seismic stresses.

• Which mechanism limited ancient Chinese gunpowder effectiveness, even as advancements occurred?
• Across the medieval Islamic world, which instrumental constraint limited astrolabe accuracy during astronomical observations?
• Across generations which risk increased when pre-Columbian Andean terraces suffered from insufficient drainage management?
• Which outcome resulted as maize was transferred from Mesoamerican chinampas to varied Andean terraces?
• Which outcome results from slippage across an astrolabe's plates?
• Which aesthetic consequence results when moisture penetrates beneath the pietra dura inlay found extensively on Mughal monuments?