Question

Which components in the air varies from place to place?

Answer 1

We often take air as a single unit. 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

, oxygen, nitrogen, carbon dioxide and water vapour