Answers

2014-03-12T15:42:04+05:30
The rare gases which is most common in the atmosphere are- argon,neon,helium,krypton,xenon,ozone,hydrogen.
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2014-03-13T12:05:58+05:30
The rare gases includes mainly inert gases like helium, neon, argon, xenon as well as hydrogen can also be included.
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