CBSE · Class 10 · Science · Our EnvironmentDepletion of the ozone layer is mainly caused by:
Step-by-Step Solution
Chlorofluorocarbons (CFCs), widely used in refrigerators and fire extinguishers, release chlorine atoms in the stratosphere which actively destroy ozone molecules.
Detailed Options Breakdown
Option : Chlorofluorocarbons (CFCs) (Correct Answer)
Correct choice. Refer to the step-by-step verified solution guidelines above for details.
Option 1: Carbon dioxide
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Our Environment.
Option 2: Methane
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Our Environment.
Option 3: Nitrogen dioxide
Incorrect choice. This distractor represents a common misunderstanding of the core principles of Our Environment.
💡 Study Guide: This question tests core syllabus concepts from Our Environment. For formulas, key summaries, and mock exam reference guides, read the full Our Environment Revision Notes.