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Earth Sky: The Earth's First Breathable Atmosphere

Curated by ACT

Find out about the perfect storm of conditions that allowed Earth's atmosphere to contain oxygen.

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Concepts
oxygen
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Additional Tags
origin of life, earthsky: the earth’s first breathable atmosphere, o2, atmosphere
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Classroom Considerations
  • Knovation Readability Score: 4 (1 low difficulty, 5 high difficulty)
  • The intended use for this resource is Instructional