The New Encyclopaedia Britannica: Macropaedia (19 v.)Encyclopaedia Britannica, 1983 - Encyclopedias and dictionaries |
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Page 33
... Conservation Laws and Symmetry Conservation laws in physics state that certain measur- able quantities , called physical properties , do not change in the course of time within an isolated physical system . Common examples are the ...
... Conservation Laws and Symmetry Conservation laws in physics state that certain measur- able quantities , called physical properties , do not change in the course of time within an isolated physical system . Common examples are the ...
Page 39
... Conservation of Natural Resources Although the history of conservation is as old as man- kind , the use of the word in the contemporary context is relatively recent . Over the years conservation has ac- quired many connotations : to ...
... Conservation of Natural Resources Although the history of conservation is as old as man- kind , the use of the word in the contemporary context is relatively recent . Over the years conservation has ac- quired many connotations : to ...
Page 62
... conservation , which have yet to be completely understood or accepted on Earth , will be applied to other worlds before irrevocable damage is done . At the present time , however , the available knowledge brought back from outer space ...
... conservation , which have yet to be completely understood or accepted on Earth , will be applied to other worlds before irrevocable damage is done . At the present time , however , the available knowledge brought back from outer space ...
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Africa American animals areas asthenosphere atoms bee-eaters BIBLIOGRAPHY cells centimetres century charge church cipher collagen common complex compounds conifers conodonts Conrad conservation conservatism constant constitution consumer contains continental continental drift coordination coordination compounds copper Coraciiformes coral Corbusier corporations cosmic rays countries court covenant Cretaceous Crete cricket crime criminal Cro-Magnon crocodiles Cromwell Crusade crust crustaceans cryptanalysis decapods delinquency deposits early Earth economic effect electron energy England Europe example fine-structure constant fossil France French genera geosynclines groups hoopoes hornbills important industrial involved known land Le Corbusier ligands major ment metal metres modern myth natural nuclear occur ocean offenders organic particles percent period plaintext political pollution population problems protection proton reefs result rocks sediments social species structure theory tion tradition trans United usually