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2020_ICM_Problem_E.pdf

上传者: 2020-03-02 08:34:59上传 PDF文件 141.04KB 热度 16次
2020美赛E题 Sincethe1950s,themanufacturingofplasticshasgrownexponentiallybecauseofitsvarietyofuses,suchasfoodpackaging,consumerproducts,medicaldevices,andconstruction.Whiletherearesignificantbenefits,thenegativeimplicationsassociatedwithincreasedproductionofplast
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