Earth's atmosphere makes up a blanket or an envelope around it, which is a mixture of many gases.
The atmosphere.
Nitrogen, Oxygen and Argon make up 99% of the atmosphere
Nitrogen and oxygen make up 99% of Earth's atmosphere.
nitrogen and oxygen
Nitrogen and Oxygen.
Nitrogen and oxygen make up about 99% of the Earth's atmosphere. Nitrogen accounts for about 78% and oxygen for about 21%.
Nitrogen Gas makes up about 80% of Earths atmosphere with Oxygen making up most of the rest (20%).
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
Nitrogen and Oxygen make up nearly 99% of the dry atmosphere.
Carbon dioxide used to make up most of Earth's early atmosphere.
The atmosphere.
lower core, upper core, mantle, and crust