Earth's atmosphere is roughly 78% Nitrogen & 21% Oxygen.
Nitrogen makes up about 78 percent of Earth's atmosphere.
The approximate percent of oxygen in Earth's lower atmosphere is around 20.95% by volume.
Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.
Nitrogen makes up 78% of Earth's atmosphere.
Nitrogen and oxygen make up 99% of Earth's atmosphere.
Nitrogen, which is an element. It has atomic number 7 on the Periodic Table of Elements.
97%
nitrogen
Nitrogen does
argon
Argon makes up about .93 percent of the Earths atmosphere. Hope this helps! (:
nitrogen and oxygen
Nitrogen makes up about 78 percent of Earth's atmosphere.
Earth's atmosphere is mostly made up of nitrogen, which makes up 79 percent. The atmosphere contains 20 percent oxygen and 1 percent other gases.
The approximate percent of oxygen in Earth's lower atmosphere is around 20.95% by volume.
Oxygen is the gas that accounts for about 20 percent of Earth's atmosphere.
Nitrogen