The air is composed of many gases:
Nitrogen is the most common, followed by Oxygen, water vapor, carbon dioxide, and a number of trace gases.
atmosphere
oxygen
the earth atmosphere surrounds us like a giant ball
mountains
the pacific ocean
Cell membrane
The but surronds Tanzania
it is Indian ocean
penumbra
Pacific Tiresias Mist
1789
I presume you are referring to the Oort cloud.