The Astronomical Unit (AU) Is Defined to Be Equal to the

question 54

Multiple Choice

The astronomical unit (AU) is defined to be equal to the

• A) average distance between the Earth and the Sun
• B) average distance between the Sun and the planet Pluto
• C) distance between the Sun and the nearest star
• D) diameter of the Earth

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Definitions:

Corresponding Feelings

Emotional states that relate to or are consistent with a particular situation, event, or other emotional states.

Behavior Feedback Effect

The tendency of behavior to influence our own and others’ thoughts, feelings, and actions.

Facial Expressions

Facial expressions are the movements of the facial muscles that convey emotions, intentions, or social information, and are universal to all cultures.

Charles Darwin

A British naturalist known for his contributions to the science of evolution and for his theory of natural selection.