The most abundant gas in the air we breathe is nitrogen, which makes up about 78% of Earth's atmosphere. Oxygen is the second most abundant gas, making up about 21%.
Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78% of the air we breathe.
The most abundant elements in air are nitrogen, oxygen, and argon. The gases typically excluded from this list are carbon dioxide, helium, and neon.
The air (on ground level, not in a traffic jam!) is composed of ~80% N2, ~20% O2, 0-6% H2O (vary a lot), 0.03% CO2, 1% argon and then traces of other elements. The most abundant element is thus nitrogen N.
The two most common elements in the air we breathe are nitrogen (about 78%) and oxygen (about 21%).
Nitrogen.
The two most abundant gases in clean dry air are nitrogen, making up about 78%, and oxygen, making up about 21%.
Water is the usually the most abundant compound in the air, though the amount varies. It can be up to 4%. Next is carbon dioxide at 0.04%.
Nitrogen is the most abundant gas in clean dry air, making up about 78% of the atmosphere. Oxygen is the second most abundant gas at around 21%, with trace amounts of other gases such as argon, carbon dioxide, and helium making up the remainder.
A Compound
The most abundant naturally occurring gas is nitrogen (N2), which makes up about 78% of air. Oxygen (O2) is the second most abundant gas at about 21%. The inert gas argon (Ar) is the third most abundant gas at 0.93%.
Air (clean or dirty) is a mixture, as it contains several different gases.
Nitrogen
Water and air may be abundant overall, but their availability is not evenly distributed. Scarcity can occur in regions where there is limited access to clean water or where air pollution is severe. Additionally, factors like pollution, climate change, and overuse can contribute to the scarcity of clean water and clean air in certain areas.
Nitrogen is the most abundant gas in Earth's atmosphere, making up about 78% of the air we breathe. Oxygen is the second most abundant gas, comprising roughly 21% of the atmosphere.
78% of the air that we breathe is nitrogen gas.
The most abundant element in Earth's atmosphere is nitrogen, making up about 78% of the air we breathe. Oxygen is the second most abundant element in the air, at around 21%.