Do CFCs occur naturally?

Related questions

1. What do CFCs do?
2. What are CFC rules?
3. How do you reduce CFC gas?
4. What happens if you inhale CFC?
5. What is the current composition of the Earth's atmosphere?
6. What chemicals destroy the ozone layer?
7. Do all aerosols have CFCs?
8. Why is ozone important to life on Earth?
9. What is the largest contributor to greenhouse gases?
10. Do they still use Freon in refrigerators?

Tags

1. #cleaning
2. #entirely
3. #determine
4. #years
5. #solvents
6. #atmospheric
7. #concentration
8. #synthesized
9. #atmosphere
10. #aerosol
11. #refrigerants
12. #their
13. #however
14. #chlorofluorocarbons
15. #remain
16. #lifetimes
17. #diverse
18. #propellants
19. #source
20. #natural