Correct answer is (b) Food chain transfer
Easiest explanation: The toxicant accumulation can occur by direct absorption from the medium and Food chain transfer and transportation to the sorption zones inside the organism, Toxification is the result of several toxicants that can only be imposed if it is able to cross the several sub cellular structures, biochemical degradation is the degradation of bio-accumulated chemicals stored in the organism, whereas, Potassium are the metals that can be found in an organism.