Au Has been a precious resource for millions of decades, and the techniques of acquiring and exchanging it have evolved markedly over the years. In early societies, Au was often used as a form of currency. People would exchange Au pieces for goods and offerings, which made it a key https://gold-selling-points76407.illawiki.com/1358062/investigating_the_ecological_and_economic_consequences_of_extraction_practices_on_worldwide_gold_supply_networks