It is the second-smallest county by total area in Maryland. Notable waterways include the Choptank River and Tuckahoe Creek, as well as the man-made Williston Lake. Caroline County currently ranks seventh nationally in terms of land protected under the Ag Preservation Program.
Dry air contains roughly (by volume): All the above are relatively small, light, non-polar molecules, characteristics mimicking an ideal gas. At normal ambient conditions such as standard temperature and pressure, most real gases behave qualitatively like an ideal gas.
Air is a mixture of different gases (nitrogen, oxygen, water vapor, argon, carbon dioxide, etc.) but all are gases, so air is fully 'gaseous'. Yes, it is one of the 6 noble gases. It is somthing used for lights in shops.   As a gas, nothing ... Neon gas is a noble gas / inert gas at STP. Technically, air is a gas.