The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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النتائج 1-5 من 32
الصفحة ix
... Carbon and Its Compounds Organisms as Chemical Engines Physical Environment of Organisms Topography Climate Air and Water Currents Moisture PAGE V 337 17 25 25 26 26 26 26 26 26 ܣ 88G 8 8 8 8 8 8 8 £ ˆ ˆ ˆ ± ww w w w w wo 32 34 35 36 ...
... Carbon and Its Compounds Organisms as Chemical Engines Physical Environment of Organisms Topography Climate Air and Water Currents Moisture PAGE V 337 17 25 25 26 26 26 26 26 26 ܣ 88G 8 8 8 8 8 8 8 £ ˆ ˆ ˆ ± ww w w w w wo 32 34 35 36 ...
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 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