What are the 4 most abundant gases in your atmosphere?
These gases are: nitrogen (78,084 %), oxygen (20,9476 %), argon (0,934 %), carbon dioxide (0,0314).
The most abundant greenhouse gas is water vapor. Although not as potent as other greenhouse gases pound for pound, by sheer volume water vapor is the key greenhouse gas. Carbon dioxide is the second largest (by volume) greenhouse gas. Methane and nitrous oxide complete the four primary greenhouse gases, but there are only trace amounts of these in our atmosphere. Since water vapor is about 4% of the atmosphere, and CO2 concentrations are 400 parts…
The moon has no atmosphere, so there are no gases in the Moon's atmosphere. Evidence for traces of some gases being emitted from the moon have been found, but those gases escape to space and do not form an atmosphere. They include sodium, potassium, radon-222, polonium-210, argon-40, helium-4, and a bit of water vapor.
The top three gases are N2 = ~78%, O2 = ~21%, Ar = ~1% . The remaining gases are all in the ppm range. The ones which are consistent are Neon, Helium and Krypton with a concentration of about 0.0001%. Water and carbon dioxide are also present but vary with location. Carbon dioxide is generally given as about 380 ppm while water vapour can range between 0% and 4% depending on local conditions.