Answer Posted / manojkumar
Pure Air consist of Nitrogen(78.09%),Oxygen(20.94%),Argon(0.93%),Carbon Dioxide(0.032%), Neon(18pppm), Helium(5.2ppm),Methane(1.3ppm),Krypton(1.0ppm),Hydrogen(0.5ppm
), Nitrous oxide(0.25ppm),Carbon Monooxide(0.1ppm), Ozone (0.02ppm), Sulphur Dioxide(0.001ppm), Nytrogen Dioxide(0.001ppm)
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