Answer:
Because of it's importance in history, and how it helps the earth. It has a lot of russians that live near it and it gives hydroelectric power.
The correct answer is B) natural, professional, and academic.
<em>The option that describes the proper voice for an argumentative essay is natural, professional, and academic.</em>
In the argumentative essay, the student needs to do research on a specific topic. So it is very important that the student collects the necessary information in order to have the correct evidence to demonstrate that his/her hypothesis is valid. The student needs to search for primary and secondary sources to have enough material to use in his essay. The argumentative essay must start with a strong introduction, a good hypothesis, a clear exposition of the evidence and a brilliant conclusion.