Question

What is the composition of water vapour in air?

21%
0.9%
0.04%
0.03%
plz plz give the answer correct

Answer 1

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0.03%

In reality, air is composed of several gases. The composition of air consists of three key components of air, namely Nitrogen (78%), Oxygen (21%), Argon (1%), Carbon-di-oxide (0.03%) and water vapor. Air also has some other gases but they are in very minute percentage.

Answer 2

Earth's atmosphere contains 78% nitrogen, 21% oxygen, 0.9% argon, and 0.03% carbon dioxide with very small percentages of other elements. Water vapor is also contained in the atmosphere.