Which sentence best explains how Rezwan used the rising waters to solve a problem

In “we wear the mask,” which message is conveyed by dunbar’s repetition of the phrase “we wear the mask”?

Iam trying to  get  a call through to san francisco. (send, put)

Which of the following factors most consistently contributes to the speaker’s believability? a the age and experience of the speaker b the physical environment in which the speech is delivered c the sincerity, knowledge, and trustworthiness of the speaker d the position of the thesis statement in the speech