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Layer of gases surrounding the Earth
The atmosphere
The second most abundant gas in the atmosphere
Oxygen
Most abundant gas in the atmosphere
Nitrogen
Name four gasses of the atmosphere
Oxygen, Nitrogen, Carbon dioxide, Argon, Water vapour, Mtehane
Essential gas for living beings to breathe
Oxygen
Gas used by plants to make photosynthesis
Carbon dioxide
The most reactive gas of the air
Oxygen
Inert gas of the atmosphere
Nitrogen
