The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 208
... percent of the world's past species have perished . The mam- malian ones in particular are not noted for longevity . If the scalpel , the excising laser ray in the laboratory , were placed in the hands of some one man , some one poor ...
... percent of the world's past species have perished . The mam- malian ones in particular are not noted for longevity . If the scalpel , the excising laser ray in the laboratory , were placed in the hands of some one man , some one poor ...
Page 255
... percentages of human variation in measured intelligence ascribable to genetic differences and to environmental factors ; issues about their interpretation ; correlation of intelligence levels with socio - economic classes ; issues about ...
... percentages of human variation in measured intelligence ascribable to genetic differences and to environmental factors ; issues about their interpretation ; correlation of intelligence levels with socio - economic classes ; issues about ...
Page 307
... percentage of city - dwellers in a total population . It goes on to the patterns of urbanization in the premodern period and in the modern pe- riod , treating , with regard to the latter , the developing structure of urban areas in the ...
... percentage of city - dwellers in a total population . It goes on to the patterns of urbanization in the premodern period and in the modern pe- riod , treating , with regard to the latter , the developing structure of urban areas in the ...
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20th century administration Africa animals articles article sections articles referred arts Asia atomic basic behaviour biological Buddhism cells century characteristics chemical Christian civil classification communication concept cultural deals diseases distribution diverse Division II Division II headnote dynasty Earth economic effects elements Empire energy environment European evolution factors forms functions genetic goes groups growth headnote see page Hinduism Historical development Hominidae human hydrosphere Indian industry influence interactions Islām language literature logic Macropædia main subjects mathematics mechanisms methods military modern movements nature nuclear nuclear fission organization origin outline of subject outline treats passim period philosophy physical plants political problems processes production Propædia properties reactions reforms relation religion religious role sciences sections of Division sections other references social society Southwest Asia structure subject A begins Taoism techniques theory tion tissues types waves Western World War II