Multiple choice

World Ozone Day is celebrated on

  1. September 14th

  2. September 15th

  3. September 16th

  4. September 10th
Reveal answer Fill a bubble to check yourself
C Correct answer
Explanation

World Ozone Day is celebrated on September 16th to commemorate the signing of the Montreal Protocol in 1987. This international treaty aimed to protect the ozone layer by phasing out ozone-depleting substances.

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