Are HFCs better than CFCs?

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  1. #unlike
  2. #depletion
  3. #ozone
  4. #which
  5. #extent
  6. #replacements
  7. #potential
  8. #interim
  9. #hydrofluorocarbons
  10. #stratospheric
  11. #replace
  12. #deplete
  13. #hcfcs
  14. #ultimately
  15. #lesser
  16. #hydrochlorofluorocarbons