Question 1 Option #1
Any comment?
PCBs are chemicals that have actually been discovered in the human body and also have actually been connected to numerous health problems. While PCBs are not present in every body, there are indicators of their existence. Fish have actually been discovered in lakes as well as seas to have high concentrations of PCBs, however the level of contamination varies from area to region. These chemicals have actually been recognized to be absorbed into little organisms and gather in fish fat, organs, and also liver.
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