What does the phrase "dependent on" mean in this sentence? there is evidence that youth may be sensitive to nicotine and that teens can feel dependent on nicotine sooner than adults. curious aboutinterested inaddicted toill from

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