It can be but you can support the theme with the characters thoughts and actions. You may also come up with a theme of your own.
Well, rhetoric means to call to action, so if you do this in a business world them it can make you seem more domaniant and in charge.
The answer is A personification because the author is giving a human characteristic to a non human object.
Good luck! Hope this helped.
Isnt it the no of electrons on its outermost orbit