The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 144
... Conservation of already established natural enemies Adults may refuse to oviposit on nonpreferred plant is ... conserve and augment noneconomic levels of abundance . The chief natural enenatural enemies to make them more effective . This ...
... Conservation of already established natural enemies Adults may refuse to oviposit on nonpreferred plant is ... conserve and augment noneconomic levels of abundance . The chief natural enenatural enemies to make them more effective . This ...
Page 426
... conservation laws . First recognized in the early stages of development of classical physics , the conservation laws have come to play an increasingly significant role in contemporary physics . Indeed , much of today's research in ...
... conservation laws . First recognized in the early stages of development of classical physics , the conservation laws have come to play an increasingly significant role in contemporary physics . Indeed , much of today's research in ...
Page 427
... conserving ance of the laws of physics , is also basic to classical mass - energy , linear momentum , and electric charge . The mechanics . It implies , for example , that table tennis fundamental character of these four conservation ...
... conserving ance of the laws of physics , is also basic to classical mass - energy , linear momentum , and electric charge . The mechanics . It implies , for example , that table tennis fundamental character of these four conservation ...
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activity America animals appear areas atoms became become body called camera century changes chemical Church colour common complete compounds consists containing continued drugs early effect electrons elements energy example existence experience Family field Figure fins fishes human important increase individual industry islands Italy known later less light liquid living lower major material means ment methods movement natural North occur organic original Peking Pentecostal percent period Persian personality pest Peter petroleum phase Philip philosophy photographs plant political position possible practice present pressure printing problems production Quakers range region remains result rocks similar social South species structure surface temperature theory tion United University usually widely