Question

How many Persistent Organic Pollutants were initially recognized as causing adverse effects on humans and the ecosystem?

• A. 10
• B. 11
• C. 12
• D. 13

Answer 1

Answer:

C. 12

12 Persistent Organic Pollutants were initially recognized as causing adverse effects on humans and the ecosystem. These were a group of 12 highly persistent and toxic chemicals and they are: aldrin, chlordane, DDT, dieldrin, endrin, heptachlor, hexachlorobenzene, mirex, polychlorinated biphenyls, polychlorinated dibenzo-p-dioxins, polychlorinated dibenzofurans, and toxaphene.