Solved IB ACIO Question
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Q · Important Days and Eventsmedium · 45s
International Day for the Preservation of the Ozone Layer is observed on:
TopicImportant Days and Events
Question Typemultiple choice
Difficultymedium
Marking+1 / −0.25
Test Duration30 min
Step-by-Step Solution
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This day, observed on 16th September, commemorates the signing of the Montreal Protocol aimed at phasing out ozone-depleting substances to protect the ozone layer.
Final Answer: Option A - 16th September