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Unit 6: Resources
4.11A Investigating Natural Resources
| Term | Definition |
|---|---|
| natural resource | a material found in nature that people can use |
| coal | a black fossil fuel rock found deep inside Earth that used to be a plant from millions of years ago and now can be burned for energy. |
| renewable resource | a natural resource that is easily and quickly replaced - within our life time |
| oil | a liquid resource that is found deep inside Earth made from plants or minerals from millions of years ago and now can be used for cooking or burning energy |
| non-renewable resource | a natural resource that can NOT be replaced eaily and quickly - takes millions of years |
| natural gas | an invisible, odorless gas that is burned for energy - also a fossil fuel made from plants and animals from millions of years ago |