To find your max heart rate question 15 options: a) you must know your age. b) count your heart rate after completing a period of exercise. c) count your heart rate when your body is at rest. d) a and c

Which of the following describes an accident chain? a. a sequence of events that lead to an accident b. a series of accidents happening around the same time c. a safety chain you wear to prevent accidents d. a list of accidents that cannot be avoided