Multiple choice

Which of the following substances cause(s) ozone depletion?

  1. Methyl bromide

  2. Nitrogen oxides

  3. Chlorofluorocarbons

  4. All of the above

Reveal answer Fill a bubble to check yourself
D Correct answer
Explanation

This is the correct option as all of the above are ozone-depleting substances. This is the correct option as all of the above are ozone depleting substances.