How big is the hole in the ozone layer 2018?

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Related questions

  1. Does the Ozone Layer move?
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  3. How were CFCs banned?
  4. How can you prevent CFCs?
  5. Do all refrigerators have CFC?
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Tags

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  5. #kilometres
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  11. #million
  12. #across
  13. #formed
  14. #today
  15. #ozone