Bob is reading a chemical manufacturer's label that shows a pictogram that includes a black
graphic of a circle on fire over a white background within a red diamond. This pictogram in-
dicates the chemical is:
OA. A gas under pressure, and poses a hazard from the gas suddenly escaping
OB. An oxidizer, and able to cause or contribute to the combustion of other material
O C. Corrosive and can cause skin corrosion, burns, and eye damage
OD. A minimal health hazard, and able to withstand severe temperature changes