Critical Thinking Questions 1. Why does the sushi robot make​ sense? A. It never rusts out. B. It is faster than a human. Your answer is correct.C. It replaces humans altogether. D. It costs less than other machines. 2. Services make up what percent of the U.S.​ economy? A. ​4% B. ​90% C. ​64% D. ​40%