Who was producer of some of the modern ballet conventions

Foods that fill your body with sugar and fat but little else, are said to contain

Which term defines one's age as measured in years? chronological age biological age social age mental age

Which of the following is an important function of child-directed speech? (a) it captures the infant’s attention and maintains communication. (b) it reduces the occurrence of infantile amnesia for the earliest memories of infancy. (c) it reduces the need for reciprocal interaction between caregivers and children. (d) it assists in prolonging rem sleep in infants.