Nitrogen & Oxygen.
Nitrogen and Oxagen
Nitrogen & Oxygen.
The two most common gases in Earth's atmosphere are nitrogen (approximately 78%) and oxygen (approximately 21%).
The two most common gases in Earth's atmosphere are nitrogen, which makes up about 78%, and oxygen, which makes up about 21%.
The two most common gases in Earth's atmosphere are nitrogen (N) and oxygen (O2). Nitrogen is roughly 78% and oxygen is roughly 21%.
Nitrogen and oxygen are the two most abundant gases in Earth's atmosphere, making up approximately 99% of its composition. Nitrogen comprises about 78% of the atmosphere, while oxygen makes up around 21%.
Nitrogen and Oxygen are the most common gases in the atmosphere.
The two most common gases found throughout all the layers of Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
The two most abundant gases on Earth are nitrogen and oxygen.
The two most common gases in Earth's atmosphere are nitrogen (N) and oxygen (O2). Nitrogen is roughly 78% and oxygen is roughly 21%.
The two most common gases found throughout all the layers of Earth's atmosphere are nitrogen and oxygen. Nitrogen makes up about 78% of the atmosphere, while oxygen makes up about 21%.
The two most common gases in dry air are nitrogen (N2) at approximately 78% and oxygen (O2) at around 21% of Earth's atmosphere composition.