The Encyclopedia Americana, Volume 7Grolier, 1989 - Encyclopedias and dictionaries |
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Page 80
... effect on the climates . In gen- eral , the ice ages caused lower temperatures around the world , and they produced more pre- cipitation in the tropics as storm tracks shifted closer to the equator . Causes of the Ice Ages . It seems ...
... effect on the climates . In gen- eral , the ice ages caused lower temperatures around the world , and they produced more pre- cipitation in the tropics as storm tracks shifted closer to the equator . Causes of the Ice Ages . It seems ...
Page 160
... effects of euphoria . The effects are not , however , accompanied by visual or auditory hallucinations . Archaeologi- cal findings indicate that coca leaf chewing was prevalent among the Incas as early as 500 B.C. , and the ...
... effects of euphoria . The effects are not , however , accompanied by visual or auditory hallucinations . Archaeologi- cal findings indicate that coca leaf chewing was prevalent among the Incas as early as 500 B.C. , and the ...
Page 315
... effect of adjacent areas of color upon each other , either in space ( simultaneous con- trast ) or time ( successive color contrast ) . Usu- ally the color differences between objects are accentuated when they are juxtaposed ...
... effect of adjacent areas of color upon each other , either in space ( simultaneous con- trast ) or time ( successive color contrast ) . Usu- ally the color differences between objects are accentuated when they are juxtaposed ...
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19th century Africa American Atlantic cod became Bogotá born Britain British church civil Clark Clay Cleisthenes Cleveland climate clocks cloture cloud clubs coal coal tar Coast Guard coeducation coelacanth coffee coinage coins coke College Colombia colonies color Colorado Columbia Columbus comets comic commercial common cold common law Commonwealth COMMONWEALTH OF NATIONS Communist countries courts developed died early East economic elected Empire England English established European example federal France French higher education important India Indian industry institutions Island known land later latitudes major ment meters miles montmorillonite mountain Museum National North Ocean organization party period plants political Population president production programs region River Roman served social South southern Soviet Soviet Union species temperature tion trade treaties Union United University usually West western World World War II York