The ozone layer protects Earth from harmful ultraviolet (UV) rays. Chlorofluorocarbons (CFCs), used in refrigerators, air conditioners, and aerosol sprays, are the most harmful gases to the ozone layer. They release chlorine atoms in the atmosphere, which break down ozone molecules, leading to ozone depletion.
Which of the following gases is the most harmful to the ozone layer
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This question is part of 🔬 General Science within the broader 🌐 Current Affairs & GK subject and appears in the PPSC Punjab Public Service Commission preparation collection. Reviewing the answer together with nearby questions helps reinforce the underlying concept and identify how it may appear in competitive exams.