The Evolution of the Atmosphere

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  • Created by: Alla
  • Created on: 26-04-13 20:37

Phase 1:  Valcanoes give out gases:

  • Valcanoes created the early atmosphere
  • Earths Surface originally molten - million of years
  • Eventually it cooled down a little and created a thin crust but valconoes continued erupting.
  • Valcanoes released carbon dioxide, water vapour and small amounts of other gases.
  • There was virtually no oxygen, it was mainly carbon dioxide.
  • The oceans were formed when the water vapour condensed.

Phase…

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