In the Geocentric Model for the Solar System Developed by Ptolemy

question 105

Multiple Choice

In the geocentric model for the solar system developed by Ptolemy, to what does the word "deferent" refer?

• A) distance of the center of the epicycle from the center of Earth
• B) small circle about which a planet moves while the center of the circle moves around Earth
• C) distance of offset between the center of Earth and the center of a planet's orbit
• D) large circle (orbit) that carries the planet around Earth while the planet itself is moving in a smaller circle

---

Definitions:

Unconditioned Stimulus

In classical conditioning, it is a stimulus that naturally and automatically triggers a response without prior learning.

Conditioned Stimulus

A previously neutral stimulus that, after being paired with an unconditioned stimulus, elicits a conditioned response.

Unconditioned Response

is a natural, automatic reaction to a stimulus that occurs without prior learning or conditioning.

Prosocial Behavior

Positive, constructive, helpful behavior. The opposite of antisocial behavior.