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第一产业( Primary industry) ◆可再生和不可再生的资源( Extract both renewable and nonrenewable sources ◆可再生资源 Renewable resources- those that can be used without being permanently depleted, such as forests, water, fishing grounds, and agricultural land Overexploitation of renewable resources does causes depletion Example of the 1990s worldwide crisis in oceanic fishing industry as result of overfishing ◆不可再生资源 Nonrenewable resources are depleted when used -example of minerals and petroleum第一产业( Primary industry)  可再生和不可再生的资源(Extract both renewable and nonrenewable sources)  可再生资源Renewable resources—those that can be used without being permanently depleted, such as forests, water, fishing grounds, and agricultural land – Overexploitation of renewable resources does causes depletion – Example of the 1990s worldwide crisis in oceanic fishing industry as result of overfishing  不可再生资源Nonrenewable resources are depleted when used — example of minerals and petroleum
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