Question

1. the goal of what part of a presentation is to gain the audiences attention, define the topic and relevance, establish speaker credibility, and preview the points that will be made?

body
introduction
conclusion
supporting material

Explanation:

In a presentation, the introduction is responsible for capturing the audience's attention, defining the topic and its relevance, establishing the speaker's credibility, and previewing the main points. The body presents the detailed content, the conclusion summarizes and wraps up, and supporting material is used within the body for evidence. So the correct part is the introduction.

Answer:

B. introduction