User:Milton Beychok/Sandbox

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This article is about Air. For other uses of the term Air, please see Air (disambiguation).
For more information, see: Earth's atmosphere.
(CC) Photo: Pascal Lando
Landscape with clear air and and clouds

Air is a colorless, odorless and tasteless mixture of gases consisting mostly of nitrogen (N2) and oxygen (O2). It is the part of Earth's atmosphere that humans and all other animals breathe in order to obtain the oxygen needed to sustain life.