International Day for the Preservation of the Ozone Layer is observed on -
ক) 45552
খ) 45551
গ) 45582
ঘ) 45612
Related Questions
ক) 19 Countries + Common Wealth of Nations
খ) 19 Countries + European Union
গ) 19 Countries + NATO
ঘ) 19 Countries + ASEAN
ক) Firewall
খ) Malware
গ) Encryption
ঘ) Phishing
ক) Prairies
খ) Steppes
গ) Pampass
ঘ) Savannah
ক) The Scarlet Letter
খ) To Kill a Mockingbird
গ) Great Expectations
ঘ) The Adventures of Tom Sawyer
ক) Amazon
খ) Microsoft
গ) Apple
ঘ) Google
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