Which of the Following Is Not a Name Used in the Classification

question 117

Multiple Choice

Which of the following is not a name used in the classification of galaxies?

• A) Irregular
• B) Regular
• C) Spiral
• D) Elliptical

---

Definitions:

Substitute

A good whose demand increases when the price of another good increases. For example, two brands of cola soft drinks are substitutes.

Complement

A good or service that is used together with another good or service, increasing its demand.

Income Increase

A rise in the amount of money received by individuals or entities, typically through earnings, investments, or bonuses.

Normal Good

A good for which demand increases when consumer income rises, and falls when consumer income decreases, all other factors being equal.