Which risk disproportionately increased during late Bronze Age mold-making?

💡 Explanation

Arsenical bronze uses arsenic as a hardening agent; therefore, heating molds risks sublimation and inhalation of highly toxic arsenic fumes, because loss of structural integrity during heating could lead to the element contaminating local air, rather than uniform copper composition.

• Which adjustment was required using an early Islamic astrolabe to accurately determine prayer times at different terrestrial locations?
• Which risk increased during the Song Dynasty development of early gunpowder weapons such as fire arrows?
• Which risk significantly increased when the three-field crop rotation system was adopted in medieval Europe?
• Which outcome occurs when the pietra dura inlay of Mughal gardens experiences fluctuating humidity?
• Which risk escalated as Ur-Nammu standardized ziggurat construction across Sumerian city-states?
• Which consequence results when an astrolabe is constructed with dissimilar metals?