It depends on what type of air
Yes earth
earth
The noble gas present the most in air, besides helium, is argon. Argon makes up about 0.93% of Earth's atmosphere.
Because it is the only planet that has air
It doesn't have air for people to live on that planet
Air is retained on Earth due to Earth's gravity.
All matter, including air has a gravitational pull. The gravity we feel, though is not a product of Earth's atmosphere, which has a tiny mass in proportion to the planet itself. Most of the mass of Earth is rock and metal. That is the source of most of Earth's gravity.
it has air, food and water
Earth is a rock, a non gaseous planet, but earth has an atmosphere comprising of air, a mixture of gases. This does not make it a gas planet. Gas planets have the whole mantle as gas, but earth does not have a gas mantle.
field or atmosphere
The force of gravity (the mass of the Earth) pulls the thin layer of gasses surrounding the planet (the atmosphere) and the result is that the gas layer has the greatest density near the surface of the planet.
Nitrogen Well, Oxygen is the most abundant element on earth if you include the Air, Water and Land. Oxygen makes up 50% of the earth. But Nitrogen is contained most in the air (atmosphere), making 78% of the air.