The main purpose of an argumentative essay is to a. antagonize your readers. b. voice your opinion on personal matters. c. explain facts and statistics from varied sources. d. persuade readers to agree with your viewpoint.

d. persuade readers to agree with your viewpoint

Explanation:

The writer has to convince the readers that his / her claim is reliable. To do so, the writer will resort to many techniques. Using logical reasoning is one of these. The writer will set the claim and will support this with evidence. Then, he / she will try to link the claim and the evidence  logically. This means through examples, comparisons, cause-effect, contrast., etc. The writer will also include counterclaims. These are arguments said by people who do not agree with the writer's claim. So, the writer will have to find the weak points in them and still keep to his / her claim. All this is done to convince the readers that the writer has a sound point.

a

explanation:

depends on your school

when i was in high school i took ap biology my senior year and it was the hardest one for me because my teacher finished the material within the first month of school and then went on to doing advanced college level it was horrible. but at a nearby school ap biology was one of the easier aps. also, it depends on what you are interested i like math a lot so ap calculus was easier for me than most but i hate history so ap us government was harder for me than most.