The air in a particular place.
The gases surrounding the Earth or any astronomical body.
Extras in a scene who have no spoken lines.
The conditions (such as music, illumination etc.) that can influence the mood felt in an environment.
The apparent mood felt in an environment.
A unit of measurement for pressure equal to 101325 Pa (symbol: atm)
The portion of the atmosphere from sea-level to about 4000 meters in which it is possible to breathe without technological assistance.
the biosphere