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Definitions. Land use (direct). The purpose for which an area of land is used by humans: e.g. cropland, urban settlements, forests. Wild or natural land, by contrast, is that not used by humans. Land use (indirect).
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taking data from a population rather than a specific group of people to gather information from
(random and most representative on a large scale of people)
The earths most important energy sources the sun
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In biology, cell theory is the historic scientific theory, now universally accepted, that living organisms are made up of cells, that they are the basic structural/organizational unit of all organisms, and that all cells come from pre-existing cells
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