Fact 1: Excretion is the process of removing wastes and excess water from the body. Fact 2: Normally, zinc leaves the body in wastes. Given the two facts above, how does Zinc usually leave the body?
Pick from:
[i] irradiation;
[ii] A drug.;
[iii] burning coal;
[iv] Excretion;
[v] physical removal;
[vi] vomit;
[vii] an ion;
[viii] evaporation;
Answer:
[iv]