Question

a picture of a ______ is the label pictogram on a chemical that warns of a products acute toxicity.
skull and crossbones
flame over circle
bomb
gas cylinder

Explanation:

The skull and crossbones is a well - known symbol for acute toxicity in chemicals. The flame over circle indicates flammability, the bomb indicates explosive hazards, and the gas cylinder indicates compressed gas hazards.

Answer:

Skull and crossbones