capppppp
capppppp
13-09-2017
Chemistry
contestada
Pleases help me !!!!!!!
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hayden291
hayden291
13-09-2017
The atmosphere contains many gases including
Nitrogen 78.0%
Oxygen 21.0%
Argon 0.93%
Carbon dioxide 0.038%
Answer Link
rosaelviraramir
rosaelviraramir
13-09-2017
Nitrogen 78.0%
Oxygen 21.0%
Argon 0.93%
Carbon dioxide 0.038%
Answer Link
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