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 speeds of the fastest gas particles as a function of temperature for various gases. Which of the gases plotted in the diagram could be retained in the atmosphere of Mars?
A) only CO2
B) only NH3
C) CO2, NH3, and O2
D) only H2
E) H2 and He
Correct Answer:

Verified
Correct Answer:
Verified
Q3: Why is carbon dioxide important in maintaining
Q28: Explain the differences between composite and shield
Q32: Describe Venus's surface features which are similar
Q35: Which of the following supports the idea
Q37: That Mercury has a large iron core
Q39: Which one of the phrases below is
Q48: Which Terrestrial planet has the combination of
Q51: Which terrestrial planet has the highest-pressure (thickest)
Q62: What evidence do we have that the
Q64: One hypothesis suggested to explain the uniform