why are gases such as water vapour,carbon dioxide and argon called as trace gases?

Asked by  | 8th Jan, 2014, 10:33: AM

Expert Answer:

A trace gas is a gas which makes up less than 1% of the earth’s atmosphere. Since the concentration of carbon dioxide, water vapour and argon is less than 1% they are called trace gases.

Answered by Hemangi Binny | 8th Jan, 2014, 03:42: PM

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