A commitment to maintaining one's stance on some issue shows good ethos; one is deeply committed to that opinion

Desari argued that we should implement a later start time for the school day in our

public schools, making the case that students perform better if they sleep a little later than they are currently allowed to do. She has presented a speech addressing an issue of _____. A) policy B) value C) fact D) law

Tommy is delivering a lecture to 250 students in an introductory biology class. Which teacher role is this?

a. speaker b. moderator c. trainer d. coordinator e. controller