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Q:

Recently, "World Ozone Day" has been celebrated on 16 September 2021, when was this day celebrated for the first time?

  • 1
    1990
  • 2
    1995
  • 3
    1999
  • 4
    2002
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Answer : 2. "1995"
Explanation :

Every year on 16 September, World Ozone Day is celebrated all over the world. World Ozone Day is celebrated with the aim of making people aware about the conservation of the ozone layer around the earth.

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