The resource cycle represents set of transformations and spatial movings of the certain substance at all operational stages its person.
The resource cycle caused by anthropogenous circulation of substances, in difference from natural is not closed, at its each stage there is a loss of resources. The closed circulation of substances provides inexhaustibility of resources. The Standard of living of the population depending on consumption of resources can be characterized by means of concept of demographic factor Q.
Growth of factor Q is possible at reduction of consumption.
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