1. A typical smelt weighs 225 g. The total mass of PCBs in a smelt in the Great Lakes is 2.34 × 10^-4 g.
2. If an average lake trout weighs 4,500 g, the total mass of PCBs in a trout in the Great Lakes is 2.17 × 10^-2 g.
3. The new trout would have the same level of PCBs as the existing trout after eating 93 smelts.
Polychlorinated biphenyls are fantastically carcinogenic chemicals, previously used in business and client products, whose manufacturing was banned within the USA with the aid of the poisonous materials management Act.
PCBs are organic chemicals referred to as chlorinated hydrocarbons. PCBs have been domestic synthetic man-made until production became banned. they have got more than a few toxic and range in consistency from thin, light-colored liquids to yellow or black waxy solids.
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