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The World Ozone Layer Preservation day (Ozone Diwas) is celebrated on
1. April 16
2. June 16
3. August 16
4. September 16

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Correct Answer - Option 4 : September 16

The correct answer is September 16.

  • Ozone Day is celebrated all over the world on 16 September.
  • Ozone is more important than oxygen for life.
  • Ozone layer -
    • The ozone layer is a layer of the Earth's atmosphere. The ozone layer protects us from ultraviolet rays coming from the sun.
    • The ozone layer was discovered in 1913 by French physicists Fabri Charles and Henri Busson.
    • Ozone (O3) is a gas consisting of three atoms of oxygen.

  • On 19 December 1994, the United Nations General Assembly (UNGA) declared 16 September as the International Day for the Protection of the Ozone Layer.
  • On 16 September 1987, the United Nations and 45 other countries signed the Montreal Protocol on Substances that Eliminate the Ozone Layer.
  • The Montreal Protocol aims to protect the ozone layer by reducing the production of substances responsible for the depletion of the ozone layer.
  • World Ozone Day was celebrated for the first time on 16 September 1995.

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