What Is Unusual About Main-Sequence Stars That Are About 75

question 262

Multiple Choice

What is unusual about main-sequence stars that are about 75 percent the mass of the Sun?

• A) These stars fuse deuterium and lithium instead of hydrogen.
• B) These stars are too small to develop any nuclear reactions.
• C) None of these stars has yet evolved off the main sequence.
• D) These stars develop fission reactions rather than fusion reactions in their cores.

---

Definitions:

Intuition

The ability to understand or know something immediately without the need for conscious reasoning.

Thrive

To grow, develop, or be successful, especially under favorable conditions or through overcoming adversity.

Chaos

A state of extreme confusion and disorder.

Overwhelmed

Feeling unable to cope due to being swamped or excessively burdened by emotions, tasks, or problems.