Crittenden, Charles V. Silver Spring, Maryland.
- Additional Readings
A predominantly mechanical mixture of a variety of individual gases enveloping the terrestrial globe to form the Earth's atmosphere. In this sense air is one of the three basic components, air, water, and land (atmosphere, hydrosphere, and lithosphere), that form the life zone at the face of the Earth. See also: Air pollution; Air pressure; Air temperature; Atmosphere; Atmospheric chemistry; Atmospheric general circulation; Meteorology
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