smoke
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%.
These gases are hydrogen and helium.
The two most abundant gases in Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
The two gases that make up most of the Earth's atmosphere are nitrogen (N₂) and oxygen (O₂). Nitrogen accounts for approximately 78% of the atmosphere, while oxygen makes up about 21%. Together, these two gases comprise roughly 99% of the Earth's atmosphere.
Nitrogen & Oxygen.
oxygen and nitrogen
Nitrogen and Oxygen
Nitrogen and Oxygen
Nitrogen and Oxagen
Nitrogen & Oxygen.
The two most abundant gases in the Earth's atmosphere are nitrogen (about 78%) and oxygen (about 21%).
The two most abundant gases on Earth are nitrogen and oxygen.