Which of the following bioaccumulates?

A. Oil

B. Oxygen

C. Mercury

D. All toxins

C, Mercury is the only one that bioaccumulates

Bioaccumulation is the gradual accumulation of substances, such as pesticides or other chemicals, in an organism.[1] Bioaccumulation occurs when an organism absorbs a substance at a rate faster than that at which the substance is lost by catabolism and excretion. Thus, the longer the biological half-life of a toxic substance, the greater the risk of chronic poisoning, even if environmental levels of the toxin are not very high.[2] Bioaccumulation, for example in fish,