In which human communities would one be most likely to find the highest concentrations of PCBs?
A) Communities in the Arctic that eat mainly whale meat
B) Communities in the Arctic that eat mainly herbivorous caribou
C) Communities in the Arctic that eat mainly a vegetarian diet
D) Communities in southern Canada that eat mainly a vegetarian diet

Question

Quizplus · Accepted Answer

PCBs (polychlorinated biphenyls) bioaccumulate in the food chain, and top predators like whales have higher concentrations. Communities consuming whale meat are more exposed to PCBs.

In Which Human Communities Would One Be Most Likely to Find