The best surface to run on is one that's              a.  uneven so that the tendons and ligaments in the ankles and knees are strengthened.    b.  smooth and soft so that it can cushion the stresses of running.      c.  hilly so that you can improve your cardiovascular endurance.    d.  as hard as possible so that it adds more stability to your foot.

Which type of health involves how people get along with others in their workplaces? physical mental and emotional social and consumer environmental which type of health is demonstrated when a person makes healthy food choices? spiritual environmental social and consumer physical which type of health is demonstrated when a person has satisfying relationships? social physical environmental spiritual