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Target Exam

CUET

Subject

Economics

Chapter

Indian Economic Development: Environment and Sustainable Development

Question:

What is the cause behind "Ozone depletion"?

Options:

Decreased bromine and chlorine compounds

Increase in the level of CFC's

Increased usage of AC, refrigerators etc.

Both 2 and 3

Correct Answer:

Both 2 and 3

Explanation:

The problem of ozone depletion is caused by high levels of chlorine and bromine compounds in the stratosphere. The origins of these compounds are chlorofluorocarbons (CFC), used as cooling substances in airconditioners and refrigerators, and bromofluorocarbons (halons), used in fire extinguishers.

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