A Lifeguard Who Is Out of Work in the Winter

question 162

Multiple Choice

A lifeguard who is out of work in the winter is

• A) frictionally unemployed.
• B) structurally unemployed.
• C) cyclically unemployed.
• D) seasonally unemployed.

---

Definitions:

Expiration

The process of exhaling air out of the lungs, a key component of breathing.

ECG

Electrocardiogram, a test that records the electrical activity of the heart to diagnose various heart conditions.

Isoelectric Line

The baseline of an electrocardiogram (ECG) where no electrical activity is detected, indicating a period of cardiac rest.

Intervals

in the context of time, represents durations or spaces between events; in music, it's the difference in pitch between two notes.