Which outcome was worsened when early Chinese mines used black powder?

💡 Explanation

Mines experienced increased instability due to the incomplete combustion of Sulphur leading to pressure pulses, propagating vibrations because of the **percussion wave**, therefore, mine collapses risks were greater, rather than controlled fragmentation achieved in modern methods.

• Which effect was minimized by counterweight placement during the operation of a Roman trebuchet?
• Which outcome arose when Roman road construction exceeded specified aggregate depth?
• Which consequence results when environmental factors degrade an Inca quipu?
• Which risk increased when Mesopotamian societies expanded irrigation dependent copper metallurgy?
• Which consequence prevailed among Viking longships when sailcloth porosity increased due to persistent seawater exposure?
• Which outcome occurred in Byzantine diplomacy when emissaries presented distorted perspectives?