Which three factors determine the formality of a discussion? opinion, audience, and time topic, audience, and purpose facts, purpose, and location topic, time, and location

The correct answer is "topic, audience, and purpose".

Explanation:

When it comes to group discussions, the three factors which determine its formality are topic, audience, and purpose.

The topic is the subject of the discussion, what will be explained, affirmed, or contradicted. The purpose refers to the objective people have in mind while discussing. Do they wish to claim the topic true? Or do they wish to contradict it? What is the goal of this discussion? Finally, audience refers to those who will be listening to your arguments, what kind of people they are, what their expectations are, what their educational background is etc. Having the audience in mind helps adapting one's speech and arguments in a way that the audience understands and finds relevant.

Thus, those three factors are important to determine the level of formality in a discussion. If any of the three were to be informal or to lack seriousness, the whole discussion would become informal.

the answer to this question is c.