What are CFCs and why are they harmful?

Related questions

1. What is the effect of CFC on Ozone Layer?
2. What is the current composition of the Earth's atmosphere?
3. Are HFCs better than CFCs?
4. Are CFCs still used?
5. What happened to the ozone hole?
6. Does co2 destroy the ozone layer?
7. Why are CFCs used as aerosol propellants?
8. Why are CFCs damaging?
9. Do refrigerators still use CFCs?
10. How big is the hole in the ozone layer 2018?

Tags

1. #protective
2. #hydrochlorofluorocarbons
3. #which
4. #hydrofluorocarbons
5. #layer
6. #ultraviolet
7. #earth
8. #chlorofluorocarbons
9. #generated
10. #destroy
11. #harmful
12. #halons
13. #ozone
14. #shields
15. #hcfcs