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insulation via CO2
The term atmosphere is also a unit of [[pressure]]. An atmosphere is defined as the amount of pressure exerted by a column of [[air]] at [[sea level]]. This is equal to approximately 14.7 [[pound]]s per square [[inch]].
The term atmosphere is also a unit of [[pressure]]. An atmosphere is defined as the amount of pressure exerted by a column of [[air]] at [[sea level]]. This is equal to approximately 14.7 [[pound]]s per square [[inch]].
The earth's atmosphere insulates the earth's surface, making it around 15 degrees Centigrade warmer than it would be without any air. This occurs through absorption of outgoing [[infrared rays]] by gas molecules like [[carbon dioxide]] and [[methane]]. The popular media have dubbed this the "[[greenhouse effect]]".
==References==
==References==