What Is the Lifetime on the Main Sequence of a 2-Solar-Mass

question 68

Multiple Choice

What is the lifetime on the main sequence of a 2-solar-mass star compared to the approximately 10-billion-year life of our Sun Pick the best answer.

• A)\(1.8 × 10^{11} \)years
• B)\(1.8 × 10^{10}\) years
• C)\(1.8 × 10^8\) years
• D)\(1.8 × 10^6\) years
• E)\(1.8 × 10^3\) years

---

Definitions:

Increased Smoking

A rise in the consumption of cigarettes or other tobacco products.

Consumption of Alcohol

The act of drinking beverages containing ethanol, which can affect an individual's physical and mental health depending on the amount consumed.

Internet Addiction

Internet Addiction is characterized by excessive or poorly controlled preoccupations, urges, or behaviors regarding Internet use that lead to impairment or distress.

Cyber-relationship

An interpersonal relationship that is primarily maintained through electronic communication technologies such as social media, email, or messaging apps.