On an adult or older child, one of the steps in rescue breathing is . a. pinching the nostrils shut
b. applying direct pressure on the chest
c. shaking the victim
d. checking for a pulse

answer; i believe that the correct answer is (b) is a factor associated with physical activity and heart disease;

out of the choices i'd say d the ability to set goals, mainly because to desire to continue you need motivation but it isn't motivation in that part, but setting goals means you have an endgame and you want to reach it which sums up motivation.