Hydromorphone is an endogenous opiate

Tiny fingerlike villi

A) emerge from the chorion. B) become the skin. C) become the nervous system. D) develop the skeleton.

Senator Carver thinks that research on popularity and rejection is a waste of time because children's popularity (or lack of it) has nothing to do with their later development

What can you tell the Senator about the long-term effects of popularity and rejection on later development? What will be an ideal response?