Very common. It varies greatly but it usually makes up a large portion of air.
Both of these are oxides (of carbon and iron respectively).
Carbon dioxide is a very common gas with the chemical formula CO2.
Frozen Carbon Dioxide is commonly known as Dry Ice.
CO2?
Nitrogen, carbon dioxide and oxygen are common gases althrough carbon dioxide's quantity is not much. There isn't 4th 'common' gas present in the air.
It is not common to fill blimps with carbon dioxide because it is not as buoyant as helium, which is the most common gas used to fill blimps. Carbon dioxide is heavier than air and could affect the lift and stability of the blimp. Additionally, carbon dioxide is flammable and can be dangerous if not handled properly.
plasma
y
Water (H2O) and carbon dioxide (CO2) are two common compounds that include oxygen.
the fire should exstinguish a carbon dioxide puts out flames as it is a common fire extinguisher
Water vapour (steam) Sulphur dioxide Carbon dioxide Carbon monoxide
Penguins breathe in oxygen and breathe out carbon dioxide. They have this in common with all animals.