Chapter 9 definitions
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4 terms
Terms | Definitions |
|---|---|
 natural resource | any natural substance, organism, or energy form that living things use. |
| renewable resource | a natural resource that can be used and replaced over a relatively short time. |
| nonrenewable resource | a natural resource that cannot be replaced or that can be replaced only over thousands or millions of years. |
| recycling | is the process by which used or discarded materials are treated for reuse. |
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