Answers

  • Brainly User
2016-03-10T20:36:47+05:30
-Carbon di oxide
-Argon
-Xenon
-Hydrogen
-Helium
-Neon
-Krypton
and oxygen and nitrogen too

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2016-03-10T20:37:00+05:30
Hydrogen
argon
neon
carbon dioxide
helium
xenon


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