Social Sciences, asked by avnimishra20140233, 7 hours ago

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Answered by pritirai1787
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The atmosphere is composed of gases, water vapour and dust particles. The proportion of gases changes in the higher layers of the atmosphere in such a way that oxygen will be almost in negligible quantity at the height of 120 km.

Answered by ramudugolla8
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don't know please hlo sorry

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