nirtrogen
Hydrogen and Helium
Two elements,Nitrogen and Carbon Dioxide.Almost 99%
Nitrogen, oxygen, and hydrogen.
It appears that there is no atmosphere on Sedna.
The major gases of the atmosphere are mainly nitrogen and oxygen. Nitrogen takes up 78.09% of the air and oxygen takes up 20.95% of the air. The rest is made up of 0.93% argon and 0.039% carbon dioxide.
The Moon has no atmosphere.
Hydrogen and Helium
Nitrogen, Oxygen and Argon make up 99% of the atmosphere
Carbon dioxide makes up 95% of Mars' atmosphere.
nitrogen and oxygen
gases, primarily nitrogen and oxygen
carbon dioxide and nitrogen are 2.
Hydrogen and Helium
Two elements,Nitrogen and Carbon Dioxide.Almost 99%
hydrogen and helium
oxygen,nitrogen,helium,hydrogen
Not all of the elements are present in the Earth's atmosphere.