| http://www.w3.org/ns/prov#value | - But there???s a big tradeoff. ???Some of the fish that live in San Francisco Bay have mercury in them,??? says Margy Gassel of the state Office of Environmental Health Hazard Assessment. ???Actually,??? she clarifies, ???most fish have mercury in them ??? and certain kinds of fish have lots of mercury in them.??? Gassel???s worried that mercury, PCBs and other industrial chemicals could make fishe
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