The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة 4
... thousand years . The ideas of the revolution of the earth on its axis and of the rotation of the planets about the sun were revived by the Polish priest and physician , Copernicus ( 1473-1543 ) . About 1600 , the telescope was invented ...
... thousand years . The ideas of the revolution of the earth on its axis and of the rotation of the planets about the sun were revived by the Polish priest and physician , Copernicus ( 1473-1543 ) . About 1600 , the telescope was invented ...
الصفحة 11
... thousand years , regardless of ex- ternal conditions , with the release of tremendous energy . If the ninety - two elements are arranged in tabular form based on atomic weights , we have what is called the Periodic Table and some ...
... thousand years , regardless of ex- ternal conditions , with the release of tremendous energy . If the ninety - two elements are arranged in tabular form based on atomic weights , we have what is called the Periodic Table and some ...
الصفحة 30
... thousands of atoms uniting . This increased complexity attracts our attention . At once the question rises in our minds as to when , where , and how , such a combination into living forms took place . To this question no positive answer ...
... thousands of atoms uniting . This increased complexity attracts our attention . At once the question rises in our minds as to when , where , and how , such a combination into living forms took place . To this question no positive answer ...
الصفحة 33
... thousands . Protein is an absolutely essential constituent of pro- toplasm , which in its turn is the primary building material of all organisms of whatever sort , whether plant or animal . Other organic compounds , in addition to the ...
... thousands . Protein is an absolutely essential constituent of pro- toplasm , which in its turn is the primary building material of all organisms of whatever sort , whether plant or animal . Other organic compounds , in addition to the ...
الصفحة 36
... thousand are known . Many of them are simple , like carbonic acid ; others are so complex that a line would be required to write the formula . This element is peculiar in that it has the power of uniting with itself , as well as with ...
... thousand are known . Many of them are simple , like carbonic acid ; others are so complex that a line would be required to write the formula . This element is peculiar in that it has the power of uniting with itself , as well as with ...
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عبارات ومصطلحات مألوفة
acres Africa alloy America appears areas Asia atoms average bacteria birds black bass body carbon carbon dioxide cattle cause cells Cenozoic cent century changes chemical chlorophyll climate coal common compounds crops cultivated culture death rate destroy disease distribution domestic animals early earth eaten eggs elements enemies Europe evidence fact fish forms germ germ cells hawk heat horse human hydrogen Ibid important increase Indian insects iron killed known land later light live man's metals mice migration miles moth native nature neolithic nitrogen ocean organisms oxygen Pará rubber tree parasites plants and animals population pounds produce protoplasm R. S. LULL race regions rodents season seeds seems sharp-shinned hawk sheep soil South South America species square mile substances sugar supply surface survive tarpan temperature thousand tion to-day trees tropics types United wild