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Earth created 4.6 billion years ago - Coggle Diagram
Earth created 4.6 billion years ago
Lots of volcanic activity
produced lots of water vapour
condensed to form oceans
produced lots of nitrogen
produced lots of carbon dioxide
dissolved in oceans
produced ammonia
produced methane
2 billion years later plants evolved
green plants formed
algae formed
photosynthesis increased
decreased carbon dioxide levels
Nitrogen-80% Oxygen-20% Other-less than 1%
increased oxygen levels
Formation of rock
formed fossil fuels and sedementary rock
plants died
organisms died