The Diagram on the Left in Box a Shows the Interface

question 74

Multiple Choice

The diagram on the left in box A shows the interface of solid and liquid phases of a single substance where each sphere represents a molecule of that substance. Which box, A, B, or C, best represents what the molecules of this substance would look like if heat were added? Which box best represents what the molecules substance would look like if heat were taken away?

• A)A and C
• B)B and C
• C)A and B
• D)C and B

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Definitions:

Drive-Reduction Theory

A theory of motivation suggesting that biological needs create internal states of tension or arousal—called drives—which organisms are motivated to reduce.

Biological Concept

Fundamental ideas or principles that relate to the biological sciences, encompassing a wide range of phenomena from genetic inheritance to evolution.

Arousal Theory

A theory of motivation suggesting that people are motivated to maintain an optimal level of alertness and physical and mental activation.

Extrinsic Motivation

Motivation driven by external rewards, such as money, fame, grades, or praise.