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 or satellite plotted in this diagram is least able to hold an atmosphere? 
Definitions:
Formal Communication
Formal communication refers to the structured and official way of exchanging information within an organization, adhering to established protocols and rules.
Organizational Hierarchy
A structured ranking of individuals within an organization based on levels of responsibility, authority, or status.
Geographic Dispersion
The spread or distribution of a population or entity across different geographical locations.
Reception
The act or process of receiving, such as how an audience receives and interprets a message.
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