The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة 15
... carbon dioxide , and minute amounts of the inert gases , each 1,500 pounds of air containing about 18 pounds of argon for example . In addition it contains large amounts of water vapor as well as quantities of dust of THE EARTH AND ITS ...
... carbon dioxide , and minute amounts of the inert gases , each 1,500 pounds of air containing about 18 pounds of argon for example . In addition it contains large amounts of water vapor as well as quantities of dust of THE EARTH AND ITS ...
الصفحة 16
... carbon dioxide in the atmosphere changes . Whenever the environmental conditions make their presence possible 16 THE PHYSICAL BASIS OF SOCIETY.
... carbon dioxide in the atmosphere changes . Whenever the environmental conditions make their presence possible 16 THE PHYSICAL BASIS OF SOCIETY.
الصفحة 18
... carbon dioxide and poor in oxygen . When living organisms appeared , the carbon dioxide was gradually removed from the air and the oxygen taken from the rocks was given to the air until the present mixture was secured . On the moon ...
... carbon dioxide and poor in oxygen . When living organisms appeared , the carbon dioxide was gradually removed from the air and the oxygen taken from the rocks was given to the air until the present mixture was secured . On the moon ...
الصفحة 21
... carbon dioxide that is the basis of life , and a universal lifeless ocean - the facial expression which the earth will have in its old age . " 13 Originally all the water on earth was fresh ; now , as every one knows , the oceans and ...
... carbon dioxide that is the basis of life , and a universal lifeless ocean - the facial expression which the earth will have in its old age . " 13 Originally all the water on earth was fresh ; now , as every one knows , the oceans and ...
الصفحة 33
... carbon dioxide and water and manufacturing starch . Protein formation comes next and needs as raw materials not only the already made starches , but certain nitrogenous compounds , which are derivable from animal waste or decay , but ...
... carbon dioxide and water and manufacturing starch . Protein formation comes next and needs as raw materials not only the already made starches , but certain nitrogenous compounds , which are derivable from animal waste or decay , but ...
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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