Explanation: Most studies and guidelines on eating behavior are from high-income countries (HICs). The 2010 U.S. dietary guidelines for adolescents (ages 9–18 years), for example, suggest that girls require 1,400–2,400 calories per day and boys require 1,600–3,200 because of their typically larger frames and muscle mass.
The answer is C. dreaming causes major muscle contractions triggered by the activation of the alpha motoneurons in the spinal cord.and tossing and turning.
