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Biology, 28.01.2020 19:40 reeseebaby89
Production of pcbs was discontinued in 1977, yet pcbs are still found in the environment. the reason for this is pcbs are very reactive molecules. pcbs are very stable molecules. pcbs are imported from other countries where their production is not banned. pcbs are formed naturally by plants
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Production of pcbs was discontinued in 1977, yet pcbs are still found in the environment. the reason...
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