Earth may have been a 'water world' 3bn years ago, scientists find

Earth may have been a 'water world' 3bn years ago, scientists find  The GuardianEarly Earth may have been a 'waterworld'  Phys.orgEarly Earth may have been a sunken 'waterworld'  HeritageDailyEarth was a 'waterworld' covered by a global ocean without any continents 3.2 billion years ago  Daily MailCould Earth be a 'waterworld'? It may have started that way  CNNView Full coverage on Google News

The Guardian

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