The Physical Basis of SocietyD.Appleton, 1928 - 526 من الصفحات |
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الصفحة 6
... produced an enormous amount of heat and caused the molten condition . We know that the process of cooling has ... produce a molten globe , or even cause an explosion great enough to tear the earth into pieces through the accumula ...
... produced an enormous amount of heat and caused the molten condition . We know that the process of cooling has ... produce a molten globe , or even cause an explosion great enough to tear the earth into pieces through the accumula ...
الصفحة 16
... produce them . The degree of chemical complexity capable of existing in the materials found on earth is definitely and sharply fixed by tem- perature . At a white heat such as exists in the sun's atmosphere , we have seen that only ...
... produce them . The degree of chemical complexity capable of existing in the materials found on earth is definitely and sharply fixed by tem- perature . At a white heat such as exists in the sun's atmosphere , we have seen that only ...
الصفحة 20
... produced from time to time those titanic convulsions which have thrown up the mountain ranges . The difference in the ele- vation of the earth's surface starts the waters flowing and causes the phenomena of erosion . From the foot of ...
... produced from time to time those titanic convulsions which have thrown up the mountain ranges . The difference in the ele- vation of the earth's surface starts the waters flowing and causes the phenomena of erosion . From the foot of ...
الصفحة 22
... produces results both good and bad from the standpoint of man . The leaching of soluble salts from the ground in countries of good rainfall would mean that in time the elements necessary for plant food would be carried away and the land ...
... produces results both good and bad from the standpoint of man . The leaching of soluble salts from the ground in countries of good rainfall would mean that in time the elements necessary for plant food would be carried away and the land ...
الصفحة 23
... produce white heat in meteors , as they rush into it , as high up as 100 miles . At the earth's equator , the air is com- posed in percentage by volume roughly as follows : Per Cent : Carbonic Water Nitrogen Oxygen Acid 76.0 20.04 Other ...
... produce white heat in meteors , as they rush into it , as high up as 100 miles . At the earth's equator , the air is com- posed in percentage by volume roughly as follows : Per Cent : Carbonic Water Nitrogen Oxygen Acid 76.0 20.04 Other ...
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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