Please enable JavaScript.

Coggle requires JavaScript to display documents.

Earths early Atmosphere - Coggle Diagram

- - - - Water vapour
        
        Small amounts of methane and ammonia
        
        Rapidly increasing amounts of nitrogen
  - - - Very little to no oxygen
        
        Decreasing amounts of carbon dioxide
        
        Small amounts of methane and ammonia
        
        Increasing amounts of nitrogen
      - Algae appears and begins to evolve, leading to the first green plants. They can photosynthesise, meaning they take in carbon dioxide and release oxygen
        
        2.7 billion years ago
        
        Rising amounts of oxygen
        
        Decreasing amounts of carbon dioxide
        
        Small amounts of methane and ammonia
        
        Increasing amounts of nitrogen
        
        Modern day
        
        21% oxygen
        
        0.04% carbon dioxide
        
        Trace amounts of other gases
        
        1 more item...
        
        When these plants and future animals die, they become compressed and turn into fossil fuels such as oil, natural gas or coal.