It's important to note that a "gas solution" is not a standard scientific term. Solutions typically involve a solute dissolved in a solvent, and we usually think of solids or liquids dissolving in liquids.

However, we can think of mixtures of gases as analogous to solutions. Here are some examples:

1. Air: This is the most common example. Air is a mixture of nitrogen (78%), oxygen (21%), argon (0.9%), and trace amounts of other gases like carbon dioxide and neon.

2. Natural Gas: This is a mixture of methane (CH4) with varying amounts of ethane, propane, butane, and other hydrocarbons.

3. Scuba Diving Gas: Divers use mixtures of oxygen and nitrogen, sometimes with helium added to reduce the risk of nitrogen narcosis at depth.

4. Industrial Gas Mixtures: Many industries use specific mixtures of gases, such as welding gas (acetylene and oxygen) or calibration gas mixtures used for analytical instruments.

5. Exhaust Gases: The gases emitted from engines and other combustion processes are mixtures of various components, including carbon dioxide, water vapor, nitrogen, and potentially harmful pollutants.

While not strictly "solutions" in the traditional sense, these examples illustrate how gases can mix and interact in ways similar to how solutes dissolve in solvents.