Afigure of speech that is an extended comparison of relationships is called

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

What is the main idea of this paragraph from the volcanoes section of the ready. gov website

In which two sentences does the author use an ironic tone toward the subject