Answer to Question #128792 in Physical Chemistry for Huma Shahzadi

Question

Why export fishes are believed to be contaminated with mercury ? Give reason

Answer 1

In water, the bacteria are eaten by plankton and other small creatures, which in turn are eaten by small fish, then larger fish. Mercury doesn't easily leave the body of an organism, so the amount of mercury builds up in species as they go up the food chain in a process called bioaccumulation