Nitrogen makes up 78% of the earths atmosphere
Oxygen makes up 21% of the earths atmosphere
Nitrogen and oxygen, respectively, are the two most abundant gases in the earth's atmosphere.
Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.
Nitrogen makes up 78% of the Earth's atmosphere.
Nitrogen makes up 78% of Earth's atmosphere.
Nitrogen (symbol N2) makes up 78% of the composition of air.
Because it is less dense than the material that makes up the earth's crust, but more dense than the material that makes up the air.
Earths atmosphere is 78% nitrogen,21%oxygen,0.9% argon,and 0.03% carbon dioxide with very small percentages of other elements
Nitrogen and oxygen, respectively, are the two most abundant gases in the earth's atmosphere.
rock
Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.
The lithosphere.
hemisphere.
it is the lithosphere
argon
iron
The element that makes up most of the earths CORE is iron.
nitrogen and oxygen