Even though oils are not a food group they are still part of the usda recommendation because they
1.) contain the same nutritional value as proteins
2.) contain the same nutritional value as grains
3.) provide essential nutrients
4.) are healthy as saturated and unsaturated fats

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