The New Encyclopædia Britannica in 30 Volumes: Macropædia : Knowledge in Depth. - 19 Bd, Volumes 1-19Encyclopædia Britannica, 1974 |
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Page 612
... increase , Poland still ranks with those countries that have a fairly high natural increase . Demographic forecasts predict that by 1980 the population of Poland will exceed 37 ,000,000 and that the age structure will undergo an ...
... increase , Poland still ranks with those countries that have a fairly high natural increase . Demographic forecasts predict that by 1980 the population of Poland will exceed 37 ,000,000 and that the age structure will undergo an ...
Page 800
... increase by natural means in natural predators ) , leaving 2.7 to emerge as adults . Of the and undisturbed habitats are far less common because adults , about one - fifth are lost before they breed , leav- there are usually no ...
... increase by natural means in natural predators ) , leaving 2.7 to emerge as adults . Of the and undisturbed habitats are far less common because adults , about one - fifth are lost before they breed , leav- there are usually no ...
Page 803
... increase of population in the less developed developed countries seems to have already been passed regions presents a far more serious problem than the ( the figure of 2 percent per year might well be taken as population increase in ...
... increase of population in the less developed developed countries seems to have already been passed regions presents a far more serious problem than the ( the figure of 2 percent per year might well be taken as population increase in ...
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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