The Graph Below Plots the Escape Velocity of Each Planet

question 64

Multiple Choice

The graph below plots the escape velocity of each planet along the vertical axis and its surface temperature along the horizontal. The lines plotted in the figure are the average speeds of gas particles as a function of temperature for various gases. Which of the planets plotted in this diagram has the greatest escape velocity?

• A) Mars
• B) Moon
• C) Mercury
• D) Venus
• E) Earth

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Definitions:

Endocrine Glands

Glands of the endocrine system that release hormones directly into the bloodstream, regulating various bodily functions.

Realistic Optimists

Individuals who maintain a positive outlook on life while still being grounded in a realistic understanding of their situation or the world around them.

Exhaustion Phase

The final stage of the general adaptation syndrome, characterized by the body's depletion of resources after prolonged exposure to stress.

General Adaptation Syndrome

A three-stage response (alarm, resistance, exhaustion) that the body goes through when exposed to chronic stress.