5.26pointseBookPrintReferencesCheck my workCheck My Work button is now disabledItem 11Choose the following statement that is NOT true about the "ozone hole" and stratospheric ozone depletion.Multiple ChoiceChlorofluorocarbons (CFCs) and other halon gases are the principal agents of ozone depletion.Ozone in the stratosphere is important because it absorbs much of the harmful ultraviolet (UV) radiation that enters the outer atmosphere.A 1 % loss of ozone could result in about a million extra human skin cancers per year worldwide, if no protective measures are taken.Ozone levels over the Arctic have not decreased in recent years.Antarctica’s exceptionally cold winter temperatures (–85 to –90°C) help break down ozone.
Question
5.26pointseBookPrintReferencesCheck my workCheck My Work button is now disabledItem 11Choose the following statement that is NOT true about the "ozone hole" and stratospheric ozone depletion.Multiple ChoiceChlorofluorocarbons (CFCs) and other halon gases are the principal agents of ozone depletion.Ozone in the stratosphere is important because it absorbs much of the harmful ultraviolet (UV) radiation that enters the outer atmosphere.A 1 % loss of ozone could result in about a million extra human skin cancers per year worldwide, if no protective measures are taken.Ozone levels over the Arctic have not decreased in recent years.Antarctica’s exceptionally cold winter temperatures (–85 to –90°C) help break down ozone.
Solution
The statement that is NOT true about the "ozone hole" and stratospheric ozone depletion is: "Ozone levels over the Arctic have not decreased in recent years." This is incorrect because ozone levels over the Arctic have indeed decreased in recent years, similar to the depletion observed over Antarctica.
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