The fetal brain signals the release of oxytocin which prepares the fetal brain for delivery and starts labor

cFrom research that compares gross motor development of infants from various cultures, it is clear that environment has _____

a. a large effect on gross motor development b. no effect on gross motor development c. a substantial effect on gross motor development d. a relatively small effect on gross motor development

A national United States study indicated that three of four online adolescent social network users have posted at least one comment to a friend's blog

Indicate whether this statement is true or false.