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Chemistry 1 - created from Mind Map
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The early atmosphere
The Atmosphere today
Virtually no oxygen
Volcanoes gave out CO2 and water vapour
Ozone layer
Water vapour condensed = Oceans
Most CO2 dissolved in oceans
Some CO2 taken in by marine organisms (Carbonate rocks)
Green plants took in CO2 and produced Oxygen through photosynthesis
Blocked harmful rays from the sun
Complex organisms like humans developed
Human Activity
Volcanic Activity
Antarctic ice cores
Burning fossil fuels
Deforestation
Livestock farming
Sulfur Dioxide = Volcanic Smog
CO2
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- Note on Chemistry 1 - created from Mind Map, created by Shamila Khan on 30/04/2017.
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- Shamila Khan · Apr 2017
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- Apr 6, 2018
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- Created by Shamila Khan · Apr 30, 2017
- Copied to Note by Shamila Khan · Apr 30, 2017
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