#author("2022-11-22T02:14:03+09:00","","") Study shows Earth's first known mass extinction event 550 million years ago | Science-Environment - Devdiscourse The earliest morphological traces of life on Earth are often highly controversial, both because non-biological processes can produce relatively similar structures and because such fossils have often b Author : ANI #technology #tech #innovation #engineering #business #iphone #technews #science #design #apple #gadgets #electronics #android #programming #software #smartphone #samsung #instagood #coding #computer #pro #instatech #education #security #gadget #mobile #instagram #technologynews #HATINC READ MORE : https://hatinco.com/2243732-study-shows-earths-first-known-mass-extinction-event-550-million-years-ago.htm