'Liquid water formed' diaporamas de présentation

Early atmosphere ~4.5 billion years ago Mostly Hydrogen and Helium Escaped into space

Early atmosphere ~4.5 billion years ago Mostly Hydrogen and Helium Escaped into space Outgassing of water vapor and CO2 created a secondary atmosphere with some nitrogen As liquid water formed the oceans and CO2 was removed from atmosphere The atmosphere became dominated by nitrogen.

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