Qidiruv

accumulation of a substance (as a rule, a persistent chemical or heavy metal) in the tissue of a plant or animal, mainly in result of getting water or nutrition in; it ta

waters used for domestic or industrial purposes and obtained the additional admixtures hereat changing an initial chemical composition or physical characteristics; waste

– accumulation of a substance by an animal which preys on other animals that have themselves already accumulated such substance in its tissue. This process can bring to a