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Identify the main gases and their percentages in the atmosphere. 

Asked by Topperlearning User 28th May 2014, 11:15 AM
Answered by Expert
Answer:

The atmosphere is composed of 78% nitrogen, 21% oxygen and other gases such as carbon dioxide and argon that comprise 1% by volume. 

Answered by Expert 28th May 2014, 1:15 PM
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