Au Has been a precious asset for thousands of years, and the methods of buying and trading it have evolved markedly over the years. In early societies, Au was often used as a form of currency. People would trade gold pieces for products and services, which made it a central https://reliable-gold-buyers66049.wikiusnews.com/1348409/investigating_the_ecological_and_economic_impacts_of_extraction_practices_on_worldwide_au_supply_chain_networks