Answer:
B. Topic, Audience, and Purpose
Explanation:
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Yours Truly.
The three factors determine the formality of a discussion are, topic, audience, and purpose.
Discussion is conversation among two or more people on a topic.
Because in discussion these three factors are important as the topic is the subject that the discussion will take place, the purpose of the discussion should be open, that means what the discussion claims is true and will the discussion will reach its goal, and the audience means the level of your audience knowledge and their understanding level. Thus, the three factors determine the formality of a discussion are, topic, audience, and purpose.
Hence the correct option is, topic, audience, and purpose
To know more about discussion:
https://brainly.com/question/26125766
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