Flashing red lights at a railroad crossing mean a. stop b. proceed, if it's safe c. cross if the gates are at an open position d. if no train is in sight, keep going

Deaths by traffic accidents are more likely to occur in a. high-income countries b. middle-income countries c. agrarian nations d. poor countries e. industrialized nations

Evidence suggests that the ancient romans had a very formal medical system. it included which of the following? click all that apply. medical schools universities physician apprenticeships nursing homes hospital facilities

Ben can’t wrestle in this week’s match unless he loses two pounds. he decides to take a nap instead of exercising. this is an example of wasting time getting distracted allowing others to set goals