The Earth's Early Atmosphere
Discover how the Earth's atmosphere formed and changed over billions of years, from a volcanic mix of gases to the oxygen-rich air we breathe today.
About This Topic
Discover how the Earth's atmosphere formed and changed over billions of years, from a volcanic mix of gases to the oxygen-rich air we breathe today.
Key Questions
- Explain how volcanic activity shaped the early atmosphere.
- Analyse the evidence for the evolution of the atmosphere, including the role of algae and photosynthesis.
- Compare the composition of the Earth's early atmosphere with its current composition.
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