Titlebook: Global Effects of Environmental Pollution; A Symposium Organize S. Fred Singer (Deputy Assistant Secretary) Book 1970 D. Reidel Publishing

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Wolfgang Bühmann,Axel Schroedertained no free oxygen, and that appreciable oxygen concentrations developed only because of the evolution of living organisms which, in turn, had to adapt themselves to the environmental changes caused by the oxygen.

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https://doi.org/10.1007/978-3-663-08557-7that the atmosphere has evolved by release of gases from the earth’s interior. These gases consisted mainly of carbon dioxide and water vapor, and they contained no free oxygen. The water vapor has gone mainly to form the oceans, and the carbon dioxide has gone mainly into carbonate rocks, and a min

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,Grundlagen der Vermögensverwaltung,oductive agriculture requires fertilizers, principally nitrogen and phosphorus. It is very susceptible to damage by various pests. It usually requires irrigation, which often involves a transfer of water, and a return flow which carries off nutrients, chlorides, pesticides — all undesirable substanc

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,Die Rechtsstellung der Außenseiter,edented amounts of inorganic nitrogen. Thus, whereas the annual nutritional turnover of nitrogen amounts to 7 or 8 million tons, technology and agriculture introduce into the cycle a nearly equivalent amount of 10 million tons of nitrogen compounds. Soil bacteria rapidly convert nitrogenous fertiliz

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