Which Two Substances Are Responsible for the Natural Color of Hair

question 9

Multiple Choice

Which two substances are responsible for the natural color of hair?

• A) Sebum and melanin
• B) Sebum and peroxides
• C) Melanin and phaeomelanin
• D) Anionic surfactants and peroxides
• E) Ammonium compounds and sulfide compounds

---

Definitions:

Republican Presidential Candidate

An individual representing the Republican Party, running for the position of President of the United States in an election.

John Frémont

An American explorer, military officer, and politician known for his role in the U.S. expansion westward and as the first candidate of the Republican Party for the office of President of the United States.

Irish Immigrant Men

Refers to male individuals from Ireland who migrated to another country, historically significant in the 19th and early 20th centuries to the United States.

Low-Wage Jobs

Positions that offer compensation at the lower end of the pay scale, often not sufficient to meet the basic living expenses of the worker.