What proportion of births to African American females are to unwed mothers?

You recently were watching your nephew, who is 13 years old, try to figure out why his bike's gears won't work. You were fascinated by the systematic problem-solving strategies that he is using

You remember just a few months ago he would not have been able to perform at this level of hypothesis testing, but would have most likely tried random solutions haphazardly. According to Piaget, what type of reasoning is he using? hypothetical-deductive reasoning working backwards working in subgoals random operations

During young adulthood, ______factors have more influence than they did during one’s younger life

a. environmental b. social c. familial d. cultural