What is the purpose of an outline for argumentative essay?

a to grab the readers attention
b to list all sources in mla format
c to organize evidence before writing
d to criticize another persons claim

C. to organize evidence before writing

The outline is an optional but necessary step in the easy-writing process as it helps us to see the big picture of our paper and decide how to approach the main subject and how to arrange our ideas.

In the making of an argumentative essay, an outline will help us to determine which points we want to approach, how do they relate to each other, whether or not we have sufficient evidence to support each of the points and it will help us to organize all the ideas and evidence before writing.

offline recommendation systems option b

because recommendation systems produce a list of two ways

1. through collaborative filtering

or

2. through content-based filtering