The depletion of the ozone layer is caused mainly by

carbon dioxide from cars and power plantsCorrect answerYour answermethane from rice fields and cattleCorrect answerYour answerdust from constructionCorrect answerYour answerchlorofluorocarbons (CFCs) and halonsCorrect answerYour answer

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CorrectNot quiteAnswer D

Correct answer: D

CFCs from refrigerators, air conditioners and aerosol sprays, and halons from fire extinguishers, break down ozone in the stratosphere.

Concept: Ozone depletion
Typical timeTypical: 40 s
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The rule this testsGlobal warming and ozone depletion

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The depletion of the ozone layer is caused mainly by

Explanation