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______ is the main cause of ozone layer depletion.

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Question

______ is the main cause of ozone layer depletion.

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Solution

Chlorofluorocarbons (CFCs) is the main cause of ozone layer depletion.

Explanation:

CFCs release chlorine atoms in the stratosphere. These chlorine atoms break down ozone molecules, causing thinning of the ozone layer.

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Chapter 20: Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain - Exercises [Page 243]

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Frank Biology Part 2 [English] Class 10 ICSE
Chapter 20 Greenhouse Effects, Global Warming, Ozone Layer Depletion and Acid Rain
Exercises | Q 4. (c) | Page 243
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