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Composition and Structure of the Atmosphere — Geography STD 9 — Question

ICSE BoardEnglish MediumSTD 9GeographyComposition and Structure of the Atmosphere2 Marks
Question
What is known as the Antarctic ozone hole?
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Answer

Ozone hole above the Antarctic region was detected by NASA in the USA. This is due to the emission of CFCs etc. and absence of vegetation cover along Antarctic. CFCs deplete the ozone amount and there is no oxygen addition due to absence of vegetation realm.

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