17. Which of the following is true of body language? A) 35% of all communication is done through body language. B) Body language is standard across cultures. C) Abnormal behavior can be identified even if normal behavior has not been established. D) Body language is a two-way form of communication. 18. Which of the following is an example of legal observation? A) Greg arranged for the communication channels to the suspect's house to be bugged. B) Nasir slipped into Kaif's room and read through his diary. C) Zara followed John for a week to find out about his routine. D) Mellissa hid a recorder in the microphone in the meeting room. 19. Which of the following is a primary advantage of searching public records in a forensic accounting engagement? A) The information remains confidential. B) Results are tangible and can be replicated. C) Data accessed through public records are reliable. D) The multitude of information allows in-depth research. 20. Which of the following best describes a questioned document? A) It is a document that has been produced in response to a question in a court. B) It is a document that can be used to question the witness during cross examination. C) It is a document that contains the questions to be asked during the trial. D) It is a document that is subject to question regarding its authenticity and/or origin