About what percentage of adults in Canada have tried marijuana at least once?

Aaron flexes his muscles as he shoots a basketball into the goal. His voluntary use of his muscles is controlled by which nervous system?

a. sympathetic b. autonomic c. somatic d. parasympathetic

Karen is open to new experience, not afraid to take risks and always strives to do her best on any project. According to Maslow, Karen demonstrates characteristics of a

a. free spirit. c. depressed person. b. self-actualizer. d. self-assessor.