Multiple choice

Where do CFCs come from?

  1. Spray cans

  2. Fire extinguishers

  3. Air conditioners

  4. All of the above
Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

Chlorofluorocarbons (CFCs) were historically used in a wide variety of applications, including aerosol spray cans, refrigerants in air conditioners, and fire suppression systems.

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