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Pleases help me !!!!!!!
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Pleases help me !!!!!!!

Pleases help me !!!!!!!-example-1
User Varada
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Nitrogen 78.0%
Oxygen 21.0%
Argon 0.93%
Carbon dioxide 0.038%
User Randy Gamage
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7.2k points
7 votes
The atmosphere contains many gases including
Nitrogen 78.0%
Oxygen 21.0%
Argon 0.93%
Carbon dioxide 0.038%
User Dalija Prasnikar
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7.1k points
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