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5C ch 2 Vocabulary
5C2 Vocabulary
| Term | Definition |
|---|---|
| natural resource | any of the useful minerals and other materials that people take from the Earth |
| nonrenewable resources | a resource that cannot be readily replaced once it is used |
| renewable resource | a resource that is replaced as it is used |
| reusable resource | a natural resource that is renewed by natural cycles and can be used more than once |
| anthracite | a hard, black rock; the fourth stage of coal formation |
| bitumen | a fairly hard, dark brown or black rock; the third stage of coal formation |
| lignite | a soft, brown rock; the second stage of coal formation |
| natural gas | a gas, methane, usually found with petroleum |
| peat | a soft, brown material made up of partly decayed plants; first stage of coal formation |
| recycling | the process of taking a resource from a product and making it into a new product |
| fossil fuel | a fuel formed from the remains of once-living organisms |