Which of the Following Is True Regarding the Depletion of Ozone

Multiple Choice

Which of the following is true regarding the depletion of ozone in the ozonosphere?

A) depletion is restricted to the arctic and antarctic regions.
B) depletion results from chemical reactions with chlorine that is derived from CFCs.
C) depletion results from the burning of fossil fuels.
D) the notion that ozone is being depleted as a result of human activity is pure conjecture and has little scientific evidence to support it.
E) depletion is not occurring,atmospheric ozone is increasing throughout all layers of the atmosphere.