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escaping hydrogen to space
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Classroom Contents
What Controlled the Rise of Oxygen on Earth?
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- 1 Introduction
- 2 Welcome
- 3 The rise of atmospheric oxygen
- 4 The emerging view
- 5 Nutrients
- 6 mechanistic model
- 7 questions
- 8 events
- 9 how has the Earth become oxygenated
- 10 simple model
- 11 model
- 12 primary interest
- 13 natural human tendency
- 14 previous modeling work
- 15 what makes this study unique
- 16 escaping hydrogen to space
- 17 chemistry of the mantle
- 18 gradual increase in oxygen sources
- 19 phosphorus
- 20 questions from reporters
- 21 high school biology teacher
- 22 reporters questions
