Every Morning, Jaclyn's Parents Watch for the School Bus to Arrive

question 7

Multiple Choice

Every morning, Jaclyn's parents watch for the school bus to arrive. They repeatedly are looking out the window to see if the bus has arrived. This schedule is a __________.

• A)fixed-ratio schedule
• B)fixed-interval schedule
• C)variable-ratio schedule
• D)variable-interval schedule

---

Definitions:

Central America

A geographic region in the Americas bordered by Mexico to the north, Colombia to the south, the Caribbean Sea to the east, and the Pacific Ocean to the west.

Europe

A continent located entirely in the Northern Hemisphere and mostly in the Eastern Hemisphere, comprising countries with diverse cultures, languages, and histories.

Asia

The world's largest and most populous continent, located primarily in the Eastern and Northern Hemispheres, it is known for its diverse cultures, languages, and economies.

Foreign Relations

The management and strategy involved in dealings and relationships between nations.