Agent in example sentence
But in that action, that interaction, by re-scripting that, by changing it into an opportunity to offer food that is nutritionally appropriate, that could augment the nutritional resources that we ourselves have depleted for augmenting the fish population and also adding chelating agent, which, like any chelating agent that we use medicinally, binds to the bioaccumulated heavy metals and PCBs that are in the fish living in this particular habitat and allows them to pass it out as a harmless salt where it's complexed by a reactive, effectively removing it from bioavailability.