What causes most of the pollution in the ocean?



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    Oil spills, toxic wastes, and dumping of other harmful materials are all major sources of pollution in the ocean. These toxins contaminate the seas and oceans by the leaking of landfills, dumps, mines, and farms. Farm chemicals and heavy metals from factories also greatly harm the ocean environment. Toxic waste is the most harmful form of pollution to sea life and humans. As creatures consume these toxins, the toxins rise up the food chain. One toxic organism gets eaten by another, larger animal, which gets eaten by another animal, and can end up being our seafood.

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