PLZ I NEED HELP can someone do a timeline its about civic power also it's going to be 75% of my grade I need a boost for my grade PLZ .

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.

Explain what causes the skin to burn in the sun? explain why people should avoid the sun if taking a photosensitive medication?

Which of the following is true of vegans?