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  1. Ozone layer - Wikipedia

  2. Ozone Layer - National Geographic Society

  3. Ozone layer | Description, Importance, & Facts | Britannica

  4. What is the ozone layer, and why is it important?

  5. NASA Ozone Watch: Latest status of ozone

  6. What is it the ozone layer, why was it damaged, and what's been …

  7. Ozone layer facts and information - National Geographic

  8. Ozone Layer - Our World in Data

  9. The Ozone Layer | Center for Science Education

  10. Science - Ozone Basics - National Oceanic and Atmospheric …