Im alone for ever any one else/

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.

Which two levels of the spine that can undergo flexion and extension?

What is the name of the device that senses the current flowing, tripping the circut, and cutting off the electricity