+Air is the invisible, odorless mixture of gases that surrounds [Earth](/wiki/earth). It is essential for most life forms, providing the oxygen needed for [respiration](/wiki/respiration) and protecting the planet from solar radiation. This vast envelope of gases is known as the atmosphere.
+## See also
+- [Atmosphere](/wiki/atmosphere)
+- [Oxygen](/wiki/oxygen)
+- [Weather](/wiki/weather)
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