4. What kind of organization is Mindsets LLC? (A) A real estate agency. (C) A cultural exchange organization. (B) A personnel training company. (D) A hi-tech company

66. What is the practical value of Cerling’s research? (A) It helps analyze the quality of water in different regions. (B) It helps the police determine where a crime is committed. (C) It helps the police narrow down possibilities in detective work. (D) It helps identify the drinking habits of the person under investigation.