Which is a useful way to show changes in one or more variables over time?

A related introduction and conclusion provide

A) another opportunity to be redundant for confused audience members. B) unified support for the ideas in between. C) a helpful summarization for those that arrived late to your speech. D) a way for the audience to verify your credibility.

As it relates to your topic, the _______________ is to fulfill a specific need for your audience

a. general goal b. thesis statement c. specific purpose d. occasion