What are vitamins referred as, meaning that we must eat them daily a: typical b: essential c: delicious n: necessary

How can a driver best determine the safest speed to drive?

Which of the following defines scoliosis? a. a posture disorder characterized by the shoulders being rounded and the back hunched b. a posture disorder in which the spine curves up the back like a snake c. a posture disorder characterized by excessive curvature or arch in the lower back d. none of the above

Why would one lymph node in the neck be swollen and not the other? what causes them to swell?