-The graph plots the escape velocity of several solar system objects along the vertical axis,and 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 objects plotted in this diagram is least able to hold an atmosphere?
A)Mars
B)the Moon
C)Mercury
D)Venus

Question

-The graph plots the escape velocity of several solar system objects along the vertical axis,and 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 objects plotted in this diagram is least able to hold an atmosphere?
A)Mars 
B)the Moon 
C)Mercury 
D)Venus

Quizplus · Accepted Answer

The Moon has the lowest escape velocity among the options, making it least able to retain an atmosphere.

-The Graph Plots the Escape Velocity of Several Solar System