Oral hygiene stimulates the appetite and provides comfort. true or false.

Which of the following requires the action of a first class lever in the body

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

In which book word demography is used for first time