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Definition
| a material that is found in nature and that is used by living things |
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Definition
| the saving of resources by using them carefully |
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Definition
| a type of planting that uses strips of thick grass or clover between strips of crops |
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Definition
| to reuse a resource to make something new |
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Definition
| a type of plowing for growing crops; creates rows of crops around the sides of a hill instead of up and down |
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Definition
| resources that can be replaced in a human lifetime |
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Definition
| a resource; such as coal or oil, that will be used up someday |
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Term
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Definition
| a resource that can be used over and over and can't be used up; examples, air and water |
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