The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة ix
... Carbon and Its Compounds 36 Organisms as Chemical Engines 38 Physical Environment of Organisms 40 Topography 40 Climate 42 Air and Water Currents 43 Moisture 44 CHAPTER Distribution of Organisms Bacteria Plant Distribution PAGE 45 45 ix.
... Carbon and Its Compounds 36 Organisms as Chemical Engines 38 Physical Environment of Organisms 40 Topography 40 Climate 42 Air and Water Currents 43 Moisture 44 CHAPTER Distribution of Organisms Bacteria Plant Distribution PAGE 45 45 ix.
الصفحة 6
... carbon daz- zling in the crater of the electric light , but the sun is far hotter than that . The sun is so hot that if the carbon stick of the arc lamp was thrust into its depths , the carbon would burst into gas with an explosion ...
... carbon daz- zling in the crater of the electric light , but the sun is far hotter than that . The sun is so hot that if the carbon stick of the arc lamp was thrust into its depths , the carbon would burst into gas with an explosion ...
الصفحة 7
... carbon , oxygen , and nitrogen . The protometallic stars such as Rigel and Sirius reveal such metals as iron , copper , and calcium . The metal- lic stars , including the sun , Arcturus , and Aldebaran , dis- play the common metals ...
... carbon , oxygen , and nitrogen . The protometallic stars such as Rigel and Sirius reveal such metals as iron , copper , and calcium . The metal- lic stars , including the sun , Arcturus , and Aldebaran , dis- play the common metals ...
الصفحة 8
... carbon and sulphur . Only eighteen more were recognized before the year 1800 while fifty - two were found during the last century . Some sixty - seven of these are metals , four are active gases , seven , inert gases , one , a liquid ...
... carbon and sulphur . Only eighteen more were recognized before the year 1800 while fifty - two were found during the last century . Some sixty - seven of these are metals , four are active gases , seven , inert gases , one , a liquid ...
الصفحة 9
... Carbon is found chiefly in the carbonates , usually appearing as limestone . It is evident that the above table ignores the make - up of the great central core of the earth of which we have little direct knowledge , since our deepest ...
... Carbon is found chiefly in the carbonates , usually appearing as limestone . It is evident that the above table ignores the make - up of the great central core of the earth of which we have little direct knowledge , since our deepest ...
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acres Africa America appears areas Asia atoms average bacteria believe birds body carbon carbon dioxide cause cent century cephalic index changes characters chromosomes civilization climate color common copper crops cultivated culture danger Darwin death rate destroy disease domestic early earth eggs environment Europe European evidence fact feeble-minded females fish forms germ cells given heredity human Ibid important increase Indians individual inheritance insane insects iron killed known land later light living male man's marriage metals miles natural selection nature Negro neolithic organisms ovum oxygen Pará rubber tree parasites physical population possible pounds present problems produced R. S. LULL race seeds seems social South South America species square mile supply T. H. MORGAN temperature things thousand tion to-day trees tropics types United wild woman women