In 2014 AD

question 256

Multiple Choice

In 2014 A.D., an inhabitant of a planet orbiting a distant star observes the flash of the first nuclear explosion on Earth, which occurred in July 1945. Approximately how far away is his solar system from Earth?

• A) 219 pc
• B) 21.2 pc
• C) about 0.07 pc
• D) 2.06 pc

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Definitions:

Learning And Performance

The acquisition of knowledge or skills and the application thereof in specific situations.

Classical Conditioning

The acquisition of knowledge through the connection between a stimulus in the environment and one that naturally exists.

Phobias

Extreme or irrational fears of specific objects, situations, or activities, leading to significant distress and avoidance behavior.

Operant Conditioning

A teaching mechanism in which the intensity of an action is altered through positive reinforcement or disciplinary actions.