Which of the Following Is Vertical

question 120

Multiple Choice

Which of the following is vertical?

• A)both the long-run Phillips curve and the long-run aggregate supply curve
• B)neither the long-run Phillips curve nor the long-run aggregate supply curve
• C)the long-run Phillips curve,but not the long-run aggregate supply curve
• D)the long-run Phillips curve,but not the long-run aggregate supply curve.

---

Definitions:

Vocalizations

The sounds produced by the vocal cords, including speech, cries, or other vocal output.

Infant

A young child in the earliest period of life, especially from birth to one year old.

Classical Conditioning

A training method where two different stimuli are paired repeatedly, leading to a response initially triggered by the second stimulus being ultimately triggered by the first stimulus alone.

Laughing

The act or sound of expressing mirth, joy, or amusement through vocal chuckles or guffaws.