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the area from which rainfall flows into a river, lake, or reservoir. |
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the magnitude or intensity that must be exceeded for a certain reaction, phenomenon, result, or condition to occur or be manifested. |
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the providing or a provider of accommodation and activities required by the public, as maintenance, repair, etc.: The manufacturer guarantees service and parts. |
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involving or pertaining to one's personal resources of money: |
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the cycle of biological and chemical elements and compounds in specific patterns through substances in an ecosystem; the uptake, use, release, and storage of nutrients by plants and their environments |
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a complex biotic community characterized by distinctive plant and animal species and maintained under the climatic conditions of the region, especially such a community that has developed to climax. |
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the rapid depletion of plant life and the loss of topsoil at desert boundaries and in semiarid regions, usually caused by a combination of drought and the overexploitation of grasses and other vegetation by people. |
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denoting or relating to human society or any of its subdivisions |
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an indoor or outdoor setting that is characterized by the presence of environmental art that is itself designed to be site-specific. |
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of or characterized by the absence of life or living organisms. |
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belonging or pertaining to the conifers. Compare conifer (def 1). |
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an organism, as a plant, that is able to produce its own food from inorganic substances. Origin of producer |
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