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ocean pollution are many and complex, there is a nuclear test, nuclear-powered ships, nuclear plants and other platoon waste; there are oil tankers, and urban sewage: There are air pollutants falling into the ocean with rain contaminants. After marine pollutants difficult to transfer into the contaminant out, and does not dissolve easily decomposed will accumulate in marine or aquatic absorbed, are passed through the food chain and enrichment. In addition, ocean contamination can spread to any corner of the sea by the tide and ocean circulation. Therefore, compared to the pollution of rivers, lakes and reservoirs, marine pollution has a long persistence, great harm, affecting a wide range of features.

  

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