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

  2. Basic Ozone Layer Science | US EPA

  3. Ozone layer - Wikipedia

  4. Ozone Layer - National Geographic Society

  5. What is the ozone layer, and why is it important? - Our World in …

  6. ozone layer summary | Britannica

  7. Nasa Ozone Watch: Ozone facts

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

  9. Ozone Layer - Our World in Data

  10. The Ozone Layer | Center for Science Education