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proces by which water vapor and carbon dioxide in the atmosphere obsorb and reflect infared rays
a comparison between an amount of moisture in air at a certin temperaturend amount the air could hold at that temperature
region from 60 N latitudes to the north pole and from 60 S latitude to the south pole
tropic of cancer
a line of latitude 23 1/2 N of the equator and furthest north that overhead sun reaches
the day with the longest period of daylight in the northern hemisphere and horter period in the southern hemisphere
a time of days and nightsre equal length in both hemispheres begining of the fall in the northern hemisphereand spring in the southern hemisphere
tropic of capricorn
line of latitude 23 1/2 S of the equator and farthest south that overhead sun reaches
a day with the shortest period of daylight in the northern hemisphere and longest in the southern hemisphere
a time when days and nights are equal length in both hemispheres, begining of spring in the northern hemisphere and fall in the southern hemisphere
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