PLZZ HELP The Treasury further states that no private business has to accept cash unless there is a state law which says otherwise. To date, the only state foolish enough to do this has been Massachusetts.

Which of the following best describes how the author's use of language affects the tone?
A. The words the only state foolish enough create a harsh tone.

B. The words unless there is a state law create a judgmental tone.

C. The words has to accept cash create a casual tone.

D. The words The Treasury further states create a formal tone.

According to the federal regulations, which of the following studies meets the definition of research with human subjects? a researcher conducts a comparison of the comments made in a publicly available blog and the blogger's comments on a similar topic in a weekly magazine. undergraduate students in a field methods class are assigned a research question and asked to interview another classmate, to be followed by a class discussion on interview techniques. a cognitive psychologist enrolls undergraduate students for a computer-based study about the effect of mood on problem-solving behaviors. a researcher sets up a meeting with the superintendent of a large and diverse public school system to get data about the ethnic composition of the school system and the number of students receiving free lunches.