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lid (321) Inbox I sh.arkgss@a protonrnJ Q9 GoDaddy Online Store AdrrHs-i Big Island General PI <br /> washingtonpost.corm`climate-environment/2021 <br /> _9 <br /> An effort to understand Earth's pas <br /> First vertebrates <br /> on land <br /> 40°C <br /> Glok <br /> 30 surf <br /> temp <br /> 20 <br /> 10 <br /> 485 million years ago 390 <br /> Source: "A 485-million-year history of Earth's surface temperature", <br /> averages for geological periods. Shaded area shows values with a <br /> By Sarah Kaplan a <br /> September 19, 20: <br /> 3 <br />