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Perfume

Dorman, Evelyn. "Perfume." How Products Are Made. N.p.: n.p., 1996. Encyclopedia.com. Web. 24 Mar. 2016.

Of the five methods of extracting oils from plant substances: steam distillation, solvent extraction, enfleurage, maceration, and expression (lines 47-48), which one uses alcohol as part of the chemical process?

A

Steam distillation.

B

Solvent extraction.

C

Enfleurage.

D

Expression.