Zoey is 25 years old. She does a two stage treadmill test to estimate her VO2max. For stage one, she walks at 4.0mph at a 0% grade, and her HR is 95. For her second stage she walks at 4.0mph at a grade of 5%, and her HR is 117. What is her cardiorespiratory fitness classification?

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.