Question

which is composed of aromatic hydrocarbons?
clothing
barbeque fuel
pain relievers
polyvinyl chloride

Explanation:

Aromatic hydrocarbons are often found in fuels. Barbeque fuel can contain aromatic hydrocarbons. Clothing is made of various fibers, pain - relievers are chemical compounds for medical use, and polyvinyl chloride is a polymer not typically composed of aromatic hydrocarbons.

Answer:

B. barbeque fuel