How does Professor Aronnax's point of view regarding the fate of the Nautilus change over the course of the passage?
from angry to stoic
from desperate to relieved
from resigned to optimistic
from wary to grateful

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