The Evolution of the Atmosphere

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  • Evolution of the atmosphere
    • The Earth's early atmosphere was mainly made up of water vapour and carbon dioxide
    • As the Earth cooled, the water vapour condensed to form oceans.
    • Carbon dioxide was removed form the atmosphere by dissolving in oceans
      • This formed sedimentary rocks and fossil fuels
    • As photosynthesizing organisms began to develop...
      • Carbon dioxide was removed and oxygen added to the atmosphere.
        • Through the process of photosynthesis...


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