how many gases are in the atmosphere? Name them

Dear Student,

Here are the gases in the atmosphere of the Earth along with their composition:
78 per cent consists of Nitrogen.
Oxygen constitutes 20.9 per cent.
Argon constitutes  0.9 per cent.
Carbon dioxide constitutes 0.03 percent
The rest 0.17 consists of other gases such as Helium, water vapour etc.
Regards
 

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