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Answer : 3. "16 सितम्बर"
विश्व ओजोन दिवस कब मनाया जाता है?
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विश्व ओजोन दिवस कब मनाया जाता है?
- 116 जुलाईfalse
- 228 जुलाईfalse
- 316 सितम्बरtrue
- 422 सितम्बरfalse
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Answer : 3. "16 सितम्बर"
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.