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Natural resource | Definition, Examples, & Facts
5 天之前 · natural resource, any biological, mineral, or aesthetic asset afforded by nature without human intervention that can be used for some form of benefit, whether material (economic) or immaterial. What is considered a “resource” …
自然资源 - 维基百科,自由的百科全书
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Natural resource - Simple English Wikipedia, the free encyclopedia
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Natural sources of fresh water include surface water, under river flow, groundwater and frozen water. People use water resources for agricultural, industrial and household activities. Water resources are under threat from …
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