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

According to research, which of the following statements reflecting the relationship between emotion and the prefrontal cortex is false? a.the prefrontal cortex to regulate one's emotional response. b. the prefrontal cortex is activated when processing information associated with stress. c. sensory input indicating emotion first enters the prefrontal cortex before traveling to the amygdala. d. the prefrontal cortex processes information associated with emotional pleasure.

Which barrier to economic development is shown in the following examples? i. the high rate of hiv infection in underdeveloped nations ii. the use of children as soldiers in uganda’s army in the early 2000s iii. low literacy rates in underdeveloped nations with limited exposure to adequate education a. foreign debt b. political instability c. widespread disease d. low levels of social welfare

Andra has a family history of osteoporosis. her doctor advises her to eat foods rich in calcium. which foods should she add to her diet? a. fruits, especially grapes and berries b. unsaturated fats like olive and soybean oil c. beet greens, broccoli, and cheese