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Neither lead nor mercury are chemicals that naturally exist in large quantities in a typical human habitat.
by edgyquant 3y ago
Neither lead nor mercury are chemicals that naturally exist in large quantities in a typical human habitat.
- defrost 3y agoAside from the evidence of > 2,000 years of lead and mercury poisoning, of course. Humans have been naturally digging these things up and refining them since at least the Roman Empire [1] in the west and the earliest Chinese Dynasties in the East [2]. [1] https://sites.dartmouth.edu/toxmetal/more-metals/lead-versatile-metal-long-legacy/ https://sites.dartmouth.edu/toxmetal/more-metals/lead-versat... [2] https://en.wikipedia.org/wiki/Mausoleum_of_the_First_Qin_Emperor https://en.wikipedia.org/wiki/Mausoleum_of_the_First_Qin_Emp...