Male menopause refers to the problems associated with a decrease in ______

In response to androgen, the vocal cords of a female will change to produce a deep voice. This hormone effect would be said to be a(n) ________ effect

Fill in the blank with the appropriate word.

In 4-6 month old infants, facial expressions of joy, positive vocalizations, and gazing at the caregiver are known as

a. social engagement. b. passive withdrawal. c. object engagement. d. active withdrawal.