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Title: Ozone Depletion.
Caption: This animation contains four parts. The first part shows the typical fate met by various types of electromagnetic radiation after entering Earth's atmosphere. The second part details how ultraviolet light facilitates the formation of ozone from diatomic oxygen. The third part demonstrates the catalytic function of chlorine in ozone depletion. The fourth part summarizes the change of two ozone molecules into three diatomic oxygen molecules.
Keywords: atmosphere, ozone layer, ozone depletion, ozonosphere, oxygen, CFCs, greenhouse gases