Question 29

C is the best example of a Tier 3 vocabulary word.

Tier 3 vocabulary words are typically specific to a particular domain or field and are not commonly used in everyday conversation. "Vortex" fits this definition as it refers to a specific scientific concept, unlike the other options.

A) Decide

"Decide" is a common verb used in everyday language and does not pertain to a specialized field. It is a Tier 1 vocabulary word, which is frequently encountered in general communication and lacks the specificity required for Tier 3 classification.

B) Confirm

Similar to "decide," "confirm" is also a widely used term that is applicable in various contexts such as personal interactions and business situations. This makes it a Tier 2 vocabulary word rather than a specialized Tier 3 word.

C) Vortex

"Vortex" is a specific term used primarily in scientific contexts, particularly in physics and meteorology, to describe a flow pattern of fluids. This specificity and limited use in everyday language make it a clear example of a Tier 3 vocabulary word.

D) Door

"Door" is a basic noun that refers to a common object encountered in daily life. It is a Tier 1 vocabulary word, as it is straightforward and does not require specialized knowledge to understand.

Conclusion

The term "vortex" is definitively the best example of a Tier 3 vocabulary word due to its specialized meaning within scientific discourse. In contrast, the other options represent more general and commonly used words, failing to meet the specific criteria that define Tier 3 vocabulary.