The New Encyclopædia BritannicaEncyclopædia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 68
... CAUSES OF EARTHQUAKES Natural causes : rock fracture and volcanism . Earth- quakes can originate in various ways but one principal cause is responsible for all large earthquakes and for a majority of small ones . This is the fracturing ...
... CAUSES OF EARTHQUAKES Natural causes : rock fracture and volcanism . Earth- quakes can originate in various ways but one principal cause is responsible for all large earthquakes and for a majority of small ones . This is the fracturing ...
Page 312
... cause of the increased de- mand for educational services . But added to this in the developed countries is probably the most important single cause of the increasing demand for education : the in- crease in the length of school life ...
... cause of the increased de- mand for educational services . But added to this in the developed countries is probably the most important single cause of the increasing demand for education : the in- crease in the length of school life ...
Page 827
... cause of high serum calcium levels . The differential diagnosis , therefore , must include idiopathic ( cause unknown ) hy- percalcemia of infancy , vitamin D poisoning , sarcoidosis , milk - alkali syndrome , cancers destructive of ...
... cause of high serum calcium levels . The differential diagnosis , therefore , must include idiopathic ( cause unknown ) hy- percalcemia of infancy , vitamin D poisoning , sarcoidosis , milk - alkali syndrome , cancers destructive of ...
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activity Africa agriculture America became become body called capital caused central centre century changes Christian Church continued core countries cultural demand direction early Earth East Eastern eclipse economic effect established Europe example feet field Figure flow force groups growth important income increase industry internal investment Italy kilometres known labour Lake land later less living magnetic major mantle material means measurements ment metres miles mountains move movement nature North observed occur ocean organization origin Orthodox patriarch percent period planning Pleistocene political population position possible present problems production region relatively remained result rise River rocks social society South species structure surface theory tion trade traditional United West Western