Which of the Following Statements About Ozone Depletion Are True

Which of the following statements about ozone depletion are true? Check all that apply.

A) Concentrations of ozone-depleting chemicals continue to rise in the atmosphere.
B) Chlorofluorocarbons (CFCs) are the major cause of ozone depletion.
C) Free chlorine in the upper atmosphere catalyzes the conversion of O₃ into O₂.
D) Weather conditions also influence the size of the ozone hole in the stratosphere.
E) CFCs are acted on by conditions in the stratosphere to form diatomic chlorine (Cl₂) .