Depletion of the ozone layer is happening principally because of natural circulation dynamics in the upper atmosphere, not chemical reactions.

Question

Quizplus · Accepted Answer

Depletion of the ozone layer is primarily caused by chemical reactions involving human-made substances, such as chlorofluorocarbons (CFCs) and halons. While natural circulation dynamics do play a role in the ozone layer's fluctuations, they are not the main cause of depletion.

Depletion of the Ozone Layer Is Happening Principally Because of Natural