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chapter 3 section 1
science
| Question | Answer |
|---|---|
| natural resource | any thing in the environment that is used by people. |
| renewable resource | Are either always available or are naturally replaced in a relatively short time. |
| nonrenewable resources | that are not replaced in a useful time frame. |
| pollution | the contamination of Earth's land, water, or air is called pollution. |
| environmental science | is the study of natural processes in the environment and how humans can affect them. |