Answer:
The excerpt has an effective style and tone because it is A. formal and objective.
Explanation:
An argumentative essay is a type of essay aimed at presenting arguments, facts and evidence so as to support an idea, an possibly to acknowledge the opposing side as well. Regardless of the approach the writer of the essay selects, it is important to present effective, objective and strong arguments and evidence to make a relevant and reliable piece of writing.
Taking all this into consideration, one could easily conclude that the excerpt has an effective style and tone because it is A.formal and objective.
