Is air an example of a gaseous solution?
Yes, consisting of mainly nitrogen, followed by oxygen and then miscellaneous gases.
The term "air" is a solution of many elements.
As you can see, more than
Air is more concentrated near the Earth's surface and "thins out" as the altitude increases, in which there is less oxygen.
"Nitrogen accounts for
Also take into account water vapour. Over large bodies of water, the water vapour concentration in the atmosphere is exponentially larger than let's say, a desert.
Hope this helps :)