Lisa and rachel want to determine their muscular endurance but they don't have access to a gym or any weightlifting equipment what can they use

answer; /// ( shock.(b) head injuries.(c) drug

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.