A Star with a Surface Temperature of 5000 K and a Luminosity

question 2

Multiple Choice

A star with a surface temperature of 5000 K and a luminosity greater than 10⁴ times that of the Sun is a member of which luminosity class?

• A) IV, subgiant
• B) V, main sequence
• C) III, giant
• D) I, supergiant

---

Definitions:

Peristalsis

The series of wave-like muscle contractions that moves food through the digestive tract.

Irritable Bowel Syndrome

A chronic gastrointestinal disorder characterized by abdominal pain, bloating, and alteration of bowel habits without any organic cause.

Ulcerative Colitis

A chronic inflammatory bowel disease that causes ulcers and inflammation in the innermost lining of the colon and rectum.

CHO

An abbreviation commonly used for carbohydrates, a group of molecules that includes sugars, starches, and fiber, critical for providing energy to living organisms.