A solution of highly toxic cyanide salts is used at approximately 90% of the world's gold mines.

Question

Quizplus · Accepted Answer

This statement is true according to multiple sources, including the International Cyanide Management Institute. Cyanide is used to extract gold from ore, and while the process is heavily regulated and precautions are taken to ensure worker safety and environmental protection, it is still a potentially dangerous substance.

A Solution of Highly Toxic Cyanide Salts Is Used at Approximately