Which of These Variable Stars Would Be Classified as a Cepheid

question 42

Multiple Choice

Which of these variable stars would be classified as a Cepheid?

• A) an F giant with a period of 14 years
• B) a G giant with a period of 14 hours
• C) an M supergiant with a period of 140 days
• D) a B supergiant with a period of 0.14 days
• E) a K giant with a period of 14 days

---

Definitions:

Substance Abuse

The harmful or hazardous use of psychoactive substances, including alcohol and illicit drugs.

Substance Dependence

A condition marked by a physical or psychological need to continuously use a substance despite adverse consequences.

Compliance

The act of conforming to or following rules, standards, or laws.

Harm Reduction

Strategies and approaches aimed at reducing the negative consequences associated with certain human behaviors, notably those that pose health risks.