How are HCFCs better than CFCs?

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  1. #stratosphere
  2. #hydrogen
  3. #attacking
  4. #reactive
  5. #usually
  6. #hcfcs
  7. #meaning
  8. #break
  9. #their
  10. #reaching
  11. #additional
  12. #before
  13. #troposphere
  14. #advantage
  15. #ozone
  16. #stable