Chapter 13 Earth as a System: Energy, Matter, and Life - Part 1

What is ozone depletion primarily caused by?

Type: MCQ • Marks: 1
What is ozone depletion primarily caused by?
Options
A. Water vapor
B. Carbon dioxide emissions
C. Chlorofluorocarbons (CFCs) and synthetic halogen gases
D. Nitrogen gas
Explanation
CFCs release chlorine atoms in the stratosphere that catalytically destroy ozone molecules.
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Class 9th Science (MCQ)

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