Latest science news #1steemCreated with Sketch.navneetkumar (42)in #steemit • 5 years ago The Earth of 3.2 billion years ago was a "water world" of submerged continents, geologists say after analyzing oxygen isotope data from ancient ocean crust that's now exposed on land in Australia. #zzan #sct #appics #dtube #art #hive-100421 #steem
