Question

what is an example of a biological hazard?
insulation
chlorine
hair
norovirus

Explanation:

Biological hazards are living organisms or their by - products that can cause harm. Norovirus is a virus, which is a biological agent that can cause illness. Insulation is a non - biological material, chlorine is a chemical, and hair alone is not typically considered a significant biological hazard in the same sense as a pathogen like norovirus.

Answer:

D. norovirus