Dioxins and PCBs
https://www.epa.gov/dioxin/learn-about-dioxin
https://www.epa.gov/pcbs/learn-about-polychlorinated-biphenyls-pcbs
Pick one to read, post your 3-2-1 response as always. Focus on sources and its effects on human health. Dont be afraid to do a little more research on these things either. Be prepared for test questions covering material listed here.
