Io Is Believed to Be Mostly Rock and Iron,much Like

question 79

Multiple Choice

Io is believed to be mostly rock and iron,much like Earth.How does its density compare with Earth's density?

• A) With the same basic composition its density must be similar to Earth's.
• B) Io's density is smaller because it has a mantle of sulfur which is not very dense.
• C) Io's density is greater because at its greater distance from the Sun its materials are colder and thus more dense than similar materials on Earth.
• D) Earth's density is larger because it experiences more gravitational compression, and the same materials at Earth's core have greater density than they would at Io's core.

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Definitions:

Primary Emotions

Primary emotions are basic emotions that are experienced universally across cultures, such as happiness, sadness, fear, and anger.

Goal-Related Emotions

Emotions that are directly linked to the attainment or non-attainment of one's goals, such as satisfaction, frustration, or joy.

Temperament

Involves individual differences in behavioral styles, emotions, and characteristic ways of responding.

Cognitive Appraisal

The process of evaluating and interpreting an event or situation that leads to specific reactions in different people, important in understanding stress and emotions.