Can someone answer me these questions pls pls pls

Which of the following best describes the principle of informed consent as described in the belmont report? a. voluntariness, risk/benefit assessment, selection of subjects. b. comprehension, conflicts of interest, risk/benefit ratio. c. risk/benefit assessment, justification of research, comprehension. d. information, comprehension, voluntariness.

What are the four components of a vehicles control system?

Continue to drink or use other drugs and drive but be more careful