Answer:
A. Pictogram
Step-by-step explanation:
-A pictogram is a symbol that is used to provide information about the danger of a chemical.
-A Precautionary Statement provides measures to avoid the effects of being exposed to a chemical.
-A product identifier is a number or name that helps to recognize a dangerous chemical.
-A signal word is used in labels to let people know about a hazard.
According to this, the element that is referenced is a pictogram.