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Chapter 3 section 1
key terms
| Term | Definition |
|---|---|
| natural resource | anything in the environment that is used by people |
| renewable resource | natural resources that are renewable |
| nonrenewable resource | natural resources that are not replaced in a useful time frame |
| pollution | a contamination of earth's land, water, or air |
| environmental science | the study of natural processes in the environment and how humans can affect them |