Because of Librations,we Are Able to See Around the Limb

question 29

Multiple Choice

Because of librations,we are able to see around the limb of the Moon and view 59% of its surface from Earth.What is one major cause of this?

• A) The Moon is not perfectly round.
• B) Earth is not perfectly round.
• C) The Moon does not rotate on its axis at a steady rate.
• D) The Moon does not move in its orbit at a steady rate.

---

Definitions:

Negative Reinforcement

A behavioral principle where removing an unpleasant stimulus in response to a specific behavior increases the likelihood of that behavior being repeated.

Classical Conditioning

An educational process that takes place by linking an external stimulus with a stimulus that occurs naturally.

Extinction

In psychology, the gradual weakening and disappearance of a conditioned response when the conditioned stimulus is no longer paired with the unconditioned stimulus.