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Description
Mind Map by larissa.hayden08, updated more than 1 year ago
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Created by larissa.hayden08
about 9 years ago
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The Earth, Sea and Atmosphere
- C1.1 The Early Atmosphere
- first atmosphere caused by volcanoes
- lots of carbon dioxide
- lots of water vapour
- little oxygen
- some other gases
- lots of carbon dioxide
- ocean formation
- earth cooled
- water vapour condensed
- earth cooled
- scientists unsure about early composition
- no humans
- conflicting evidence
- no humans
- first atmosphere caused by volcanoes
- C1.2 A Changing Atmosphere
- photosynthesis
- increased oxygen levels
- decreased carbon dioxide levels
- increased oxygen levels
- carbon dioxide levels reduced
- dissolved into oceans
- marine organisms shells
- dissolved into oceans
- photosynthesis
- C1.4 The Atmosphere Today
- composition
- causes for change
- human activity
- burning fossil fuels
- adds carbon dioxide
- adds sulphur dioxide
- adds carbon dioxide
- deforestation
- adds carbon dioxide
- reduces oxygen levels
- adds carbon dioxide
- farming
- adds methane
- adds methane
- burning fossil fuels
- volcanic activity
- adds carbon dioxide
- adds sulphur dioxide
- adds carbon dioxide
- human activity
- composition
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