Sorry but didn’t get the question
Answer:
A writing principle that suggests that trio of events or characters is more humorous,satisfying,or effective than other numbers......latin phrase "omne trium perfectum"
The mean of this set is 7
<h3>What is conventional theory of the formation of the galaxy ?</h3>
The conventional theory of the formation of the galaxy can be regarded as one that stressed that the formation of milky way was done relatively short time some million years ago.
And this was when spherical cloud of gas collapsed as a result of pressure the particular gravity which was surrounded by a halo.
Therefore, formation of the galaxy was recorded to occur roughly 12 to 13 billion years ago .
Learn more about galaxy at;
brainly.com/question/7974113
