Technician A Says Chlorine in CFC-12 (R-12)refrigerant May Destroy Ozone

Multiple Choice

Technician A says chlorine in CFC-12 (R-12) refrigerant may destroy ozone molecules for over a century.Technician B says O₃ is destroyed and created by UV radiation.Who is correct?

A) Technician A only
B) Technician B only
C) Both A and B
D) Neither A nor B