Despite the development of safer techniques to process ores containing gold and silver,many areas of Africa,South America,and Asia still use toxic chemicals in their smelting process.Describe why this situation exists in those countries.

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The Answer of Despite the development of safer techniques to process ores containing gold and silver,many areas of Africa,South America,and Asia still use toxic chemicals in their smelting process.Describe why this situation exists in those countries.

Despite the Development of Safer Techniques to Process Ores Containing