The atmosphere of the Earth is a gas, not a liquid, and although it does contain oxygen, that is just one part of the atmosphere, which is mostly nitrogen.
The Earth's atmosphere is composed of about 21% oxygen. This level is important for supporting life on our planet.
nitrogen,oxygen,carbon dioxide,argon, and other gases in small amounts
About 21% of the Earth's atmosphere is composed of oxygen.
No, Earth's atmosphere is mostly composed of nitrogen (about 78%) and oxygen (about 21%). Hydrogen makes up a very small fraction of Earth's atmosphere, less than 0.1%.
78% of Earth's atmosphere is composed of nitrogen. Oxygen makes up about 21% of the atmosphere, while the remaining 1% consists of various other gases such as argon, carbon dioxide, and water vapor.
the earth first atmosphere is troposphere
The earths atmosphere is made up of 78% nitrogen and 21% oxygen
Nitrogen and Oxygen are the two main constituents of air.
97%
no
Earth's early atmosphere was primarily composed of carbon dioxide. Early bacteria used carbon dioxide as a source of fuel and as a result produced oxygen.
Oxygen (O2) 21%, Nitrogen (N2) 78%, and traces of other gases like argon, carbon dioxide, and neon.