)The chart below shows four friends' target heart rate zones. During their last spin class, each person averaged 172 beats per minute. Based on this information, who worked at the highest intensity level?

Which statement is most correct about self esteem?

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?