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more chemistry contents are available 1. pdf file on Termmate: https://www.termmate.com/rabia.aziz 2. YouTube: https://www.youtube.com/channel/UCKxWnNdskGHnZFS0h1QRTEA 3. Facebook: https://web.facebook.com/Chemist.Rabia.Aziz/ 4. Blogger: https://chemistry-academy.blogspot.com/ • Introduction  Ozone  Ozone layer • Ozone–oxygen cycle Chapman cycle • Ozone Depletion • Ozone Hole • Effect Of Ozone Depletion • Solution • World Ozone Day

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