What impact does tone have within a text?

Which detail belongs in paragraph 5 to support the main idea of the paragraph? a) places to receive acupuncture are increasingly easy to find all across the united states. b) not everyone is necessarily fond of acupuncture; some patients prefer other methods of physical therapy. c) even though acupuncture is a popular chinese treatment, it has grown popular around the world. d) most of the adverse effects of acupuncture that have been reported do not derive from the procedure itself but from improper application.

How are the two arguments made in the passages different? a. the first passage claims that pets in class will children with health problems; the second passage says pets will make some health problems worse. b. the first passage claims that students’ nervousness will decrease around pets; the second says that students’ nervousness will increase around pets. c. the first passage claims that pets will make the teacher’s work easier by keeping students busy; the second passage says pets will make the teacher’s work harder. d. the first passage claims that pets in school will be good for kids’ mental health; the second passage says pets will be bad for kids’ mental health.

Which of these phrases is an example of understatement?