Which consequence results when early sextant mirrors experienced tarnish?

💡 Explanation

Reduced accuracy occurs due to decreased light reflection, because surface corrosion diminishes the mirror's **reflectivity**. This impacts navigation precision; therefore angle errors proliferate, rather than heat issues accelerating wear or optical line warping appearing.

• Which risk increased due to the early Song Dynasty's transition from manual to gunpowder-powered trebuchets?
• Which consequence would occur during the casting of Song Dynasty iron ploughshares when silica sand contaminates the mold?
• Which risk increases for pietra dura in Mughal gardens when exposed to constant direct sunlight?
• Which long-term consequence occurred as the medieval Silk Road trade declined?
• Which requirement increased irrigation labor for chinampa agriculture?
• Which problem increased as early steam engines scaled up to power industrial machinery?