What Physical Mechanisms Most Probably Caused the Very Long Cracks

question 13

Multiple Choice

What physical mechanisms most probably caused the very long cracks and streaks that crisscross the surface of Europa,a moon of Jupiter?

• A) They are the tops of gigantic greenhouses built by inhabitants of Europa to protect their cucumber crops.
• B) They are frozen rivers that,in warmer times,flowed across the moon's surface.
• C) Volcanic eruptions caused lava flows that then froze in place.
• D) Tidal flexing and cracking of the surface,with subsurface fluids gushing upward and freezing

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Definitions:

Extramarital Affair

A romantic or sexual relationship that occurs outside of marriage and usually without the spouse's consent.

Remorse

A deep feeling of regret or guilt for a wrong committed.

Expressions of Emotions

The outward display of feelings such as happiness, anger, or sadness through facial expressions, body language, and vocal tones.

Defensiveness

A psychological reaction characterized by a protective behavior against perceived threats or criticism.