Multiple choice

What is not a cause of ozone depletion?

  1. Cleaning supplies

  2. Vacuums

  3. Air conditioners

  4. Cars
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Vacuums are mechanical devices and do not release ozone-depleting substances. Cleaning supplies, air conditioners, and cars have historically used or contained CFCs or similar chemicals.

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