Why Is Knowledge About the Persistence of a Chemical Important

Multiple Choice

Why is knowledge about the persistence of a chemical important when considering its toxicity?

A) Persistence is a direct measure of the toxicity of a chemical,so would determine whether it is toxic or nontoxic.
B) Persistence is an indirect measure of the toxicity of a chemical; that is,high persistence means low toxicity.
C) Persistence measures how long a chemical remains in its present state in an area and,therefore,how long it might be a health concern.
D) Persistence is a measure of the number of carbons in an organic molecule,which is a direct measure of toxicity.
E) Persistence is a measure of the amount of a chemical present in a particular food chain.