Oxygen makes up about one fifth, or approximately 21%, of the Earth's atmosphere. It is essential for the respiration of most living organisms and plays a critical role in various biochemical processes. The remaining components of the atmosphere primarily include nitrogen, argon, carbon dioxide, and trace gases.
Nitrogen
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.
The gas that makes up 93% of Earth's atmosphere is nitrogen. Oxygen is the second most abundant gas, making up around 21%.
The atmosphere of Earth is roughly 78% made of nitrogen.
Oxygen makes up approximately one-fifth of Earth's atmosphere.
Oxygen makes up roughly 21% of our atmosphere. Nitrogen is the dominant gas in our atmosphere (roughly 78%). The remaining 1% is comprised of carbon dioxide and other trace gases.
Oxygen makes up about one fifth, or approximately 21%, of the Earth's atmosphere. It is essential for the respiration of most living organisms and plays a critical role in various biochemical processes. The remaining components of the atmosphere primarily include nitrogen, argon, carbon dioxide, and trace gases.
The gas that makes up 21% of Earth's atmosphere is oxygen.
Oxygen is the gas that makes up the second most volume in the atmosphere, after nitrogen.
Nitrogen is the gas that makes up the majority of Earth's atmosphere, comprising about 78% of the air we breathe.
Nitrogen makes up about 79% of the atmosphere.
oxygen
Nitrogen
oxygen
Nitrogen
Nitrogen makes up 78% of the Earth's atmosphere. Oxygen makes up about 21%.