Which of the following choices is a comma splice? a. beetles have mouthparts that are similar to those of grasshoppers. b. these mouthparts are called the mandibles, they are jaw-like structures beetles use for crushing food or defending themselves. c. the antennae of the beetles are used not only to smell but also to feel out their environment. d. the antennae vary greatly among beetles; for some, the antennae are used for self defense.

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.