The Encyclopedia Americana, Volume 7Grolier Incorporated, 1999 - Encyclopedias and dictionaries A thirty-volume encyclopedia covering important world events while providing major new treatments of selected topics in various academic fields. |
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Page 112
... become dark . Clouds Outside the Troposphere . Occasionally clouds are found very much higher above the earth's surface than clouds are usually found . Mother - of - pearl clouds occur in the stratosphere between about 13 and 19 miles ...
... become dark . Clouds Outside the Troposphere . Occasionally clouds are found very much higher above the earth's surface than clouds are usually found . Mother - of - pearl clouds occur in the stratosphere between about 13 and 19 miles ...
Page 492
... become a field of study in social science called technology assessment . While it can hardly be described as an exact science , it has become a useful guide for monitoring the effects of a tech- nology and planning regulations ...
... become a field of study in social science called technology assessment . While it can hardly be described as an exact science , it has become a useful guide for monitoring the effects of a tech- nology and planning regulations ...
Page 493
... become major contributors to technical ad- vances in computer software . Future Prospects . As the use of computers and other digital information technologies become com- monplace in many countries , the nature of con- cerns about the ...
... become major contributors to technical ad- vances in computer software . Future Prospects . As the use of computers and other digital information technologies become com- monplace in many countries , the nature of con- cerns about the ...
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19th century Africa American Atlantic cod became Bogotá born Britain British central church civil Clark Clay Cleisthenes Cleveland climate clocks cloture cloud clubs coal coal tar Coast Guard coeducation coffee coinage coins coke College Colombia colonies color Colorado Columbia Columbus comets comic commercial common cold common law Commonwealth COMMONWEALTH OF NATIONS Communist Party countries courts died early East economic elected Empire England English established Europe European federal France French important India Indian industry institutions John known land later latitudes major ment meters miles montmorillonite mountain Museum National North Ocean organization period plant political Population president produced reform region River Roman served social South southern Soviet Soviet Union species temperature tion trade treaty Union United University usually West western World World War II York York City