Among what indigenous population have scientists found the highest levels of PCBs (polychlorinated biphenyls) ?​

A) ​Maya
B) ​Yanomamo
C) ​Inuit
D) ​Pashto

PCBs (Polychlorinated Biphenyls)

A group of man-made organic chemicals consisting of carbon, hydrogen, and chlorine atoms, used in various industrial applications, now banned in many countries due to their environmental persistence and health hazards.

Indigenous Population

Ethnic groups who are the original inhabitants of a region, prior to colonization or the establishment of national boundaries.