Which of the following represents the percentage of fat and nonfat tissues in the body A. aerobic capacity

B. Body mass index

C. Muscular endurance

D. Body composition

when in a crucial situation, after calling 911, the correct posture for delivering effective compression is the proper hand placement.

first, place two fingers at the sternum, then put the heel of your other hand next to the fingers and place hand on top of the other. lock your elbows by using your body’s weight and compress the victim’s chest with a depth of 2 inches.

moreover, do 15 compression and 2 breaths, this process must be done four times until there is a pulse or a arrive.

answer: c more big rigs and commercial vehicles

explanation: because big rigs drive far to deliver products overnight