The Encyclopedia Americana, Volume 7Grolier, 1985 - Encyclopedias and dictionaries |
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Page 3
... tion , writing began , metallurgy developed , irriga- tion spread , and sailing vessels , wheeled vehicles , stone sculpture , accurate measurement of time and space , and many other new technologies ap- peared among the Sumerians ...
... tion , writing began , metallurgy developed , irriga- tion spread , and sailing vessels , wheeled vehicles , stone sculpture , accurate measurement of time and space , and many other new technologies ap- peared among the Sumerians ...
Page 312
... tion in other parts of the spectrum . Any full explanation of how color is pro- duced by the use of colorants is quite compli- cated , but in general it relates to the absorp- tion and scattering of light in colorant layers by pigments ...
... tion in other parts of the spectrum . Any full explanation of how color is pro- duced by the use of colorants is quite compli- cated , but in general it relates to the absorp- tion and scattering of light in colorant layers by pigments ...
Page 430
... tion , cognition , attitude formation , and behavior- al effects have been especially influential . Some psychologists investigated such variables of persuasion as the credibility of the source , the order of presentation , one - sided ...
... tion , cognition , attitude formation , and behavior- al effects have been especially influential . Some psychologists investigated such variables of persuasion as the credibility of the source , the order of presentation , one - sided ...
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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 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 John known land later latitudes London major ment meters miles montmorillonite Mountains Museum National North Ocean organization party period plants political Population president produced programs region River Roman social South Soviet Soviet Union species temperature tion trade treaty Union United University usually West western World World War II York