Mercury starts in the environment with the smallest of organisms, and every step of the ladder up, it gets magnified about ten times... until the top of the food chain, where you get these incredibly toxic levels.
O mercurio chega ó ambiente nos organismos máis pequerrechos, e con cada nivel da cadea alimenticia, amplifícase dez veces... ata o cume da cadea alimenticia, onde presenta niveis incriblemente tóxicos.