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Titlebook: A New Balance of Payments for the United States, 1790–1919; International Moveme Lawrence H. Officer Book 2021 The Editor(s) (if applicable

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those phenomena which we associate with the land­ scape; Perel‘man has already written extensively on this subject. The landscape, in the physical sense, is controlled by the interac­ tion of exogenic and endogenic agencies-on the one hand, the atmo­ sphere, the wind, the rain, and other components
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Incomechemical interactions. The areas of these zones are characterized by a sharp decrease of element migration intensity and consequently the decrease in their concentrations gave the boundaries for the naming of the geochemical barriers (Perelman, 1972). For the purposes of biogeo­ chemistry the most i
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tion of various forms of organic matter in the ocean: dissolved, colloidal, organic matter sus­ pended in particles and that contained in bottom sediments and in interstitial waters. The appropriate evidence is found in hundreds of articles and several re­ view works, such as Andersen (1977), Biogeo
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