Explain the importance of suitability of ingredients in preparing sandwiches

Hey student is writing a conclusion for his research based informative essay on the possibility of exploring and having mars where should he including his conclusion select two options

Which three sentences in this excerpt from arthur conan doyle's "the contest" suggest that the author's tone is mocking?

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.