Environmental Science Living Resources ch 3, and 4
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Created by:
Jesse12345678910 on January 22, 2012
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environmental
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12 terms
Terms | Definitions |
|---|---|
 bedrock | Rock that makes up Earth's crust. |
| biodiversity | The number of different species in an area. |
| clear-cutting | The process of cutting down all of the trees in an area at once. |
| development | The construction of buildings, roads, dams, and other structures. |
| land reclamation | The process of restoring land to a more natural state. |
| nonrenewable resource | A natural resource that is not replaced as it is used. |
| nutrient depletion | The situation that arises when more soil nutrients are used than the decomposers can replace. |
| renewable resource | a resource that is naturally replaced in a relatively short time. |
| selective cutting | The process of cutting down only some trees in an area. |
| subsoil | Layers of soil below topsoil |
| sustainable yield | A regular amount of renewable resource that can be harvested without reducing the future supply. |
| topsoil | An upper level of soil consisting of rock fragments, organisms, nutrients, water, air, and decaying matter. |
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