Combined Science GCSE
Atmospheric evolution
What Atmospheric evolution means in Combined Science GCSE, as defined for AQA.
Definition of Atmospheric evolution
Check what you remember
Read the wording for your board, then hide it and explain Atmospheric evolution in your own words. Rough notes are fine. This is a self-check, with no mark or grade.
Reference: AQA
Over geological time, repeated photosynthesis by vast numbers of algae and plants reduced the percentage of carbon dioxide in the atmosphere.
Topics that use Atmospheric evolution
- How carbon dioxide decreased (AQA GCSE)
Related terms
- Biomass and carbon storage
- Carbon stores
- Causes of carbon dioxide decrease
- Causes of oxygen and nitrogen increase
- Changes in atmospheric composition over geological time
- Coal
- Crude oil and natural gas
- Hydrocarbons
Using Atmospheric evolution in the exam
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