C or D cause it is easy to eliminate A and B
In an essay written in a formal style, the kind of tone that the writing should have is: Objective.
An objective tone is a tone where the writer states the facts of a matter. He takes no sides but simply states matters as they are. When writing a formal essay, it important to be objective.
This will require that the facts of the matter are presented and backed by evidence. So, option C is right.
Learn more about formal essays here:
brainly.com/question/3269510
A recent poll of 91 historians of US presidents gave a rating of the top 44 presidents who have alternately ruled the United States from George Washington to Barack Obama.
This is a ranking of the five best presidents of the United States of America, according to the opinion of the historians participating in the poll:
1st place: Abraham Lincoln (1865-1861)
Answer: Grampa is impressed with Birdfoot’s use of humor.