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Portable Network Graphic  |  1995-09-15  |  20.3 KB  |  401x337  |  8-bit (136 colors)
   ocr: OREZNHOUSEEHFECT, Sun term for the role the atmosphere plays in helping warm the earth's surface. The atmosphere is largely Trapped heat- transparent to short-wave solar Atmosphere Earth radiation, which 1s absorbed by the earth's surface. Much ofitis Greennouse Effect reemitted at infrared wavelengths, and is in turn largely ab sorbed by carbon dioxide, methane, nitrous oxide, halocarbons, and ozone in the atmosphere and then reemitted back toward the earth- -hence the heating effect. The amount of carbon diozide in the atmosphere has been increasing by 0.4 percent a year because of the use o ...