One specific area of the brain that undergoes considerable development throughout adolescence is the ___________, which is not fully developed until around the age of 20

A researcher was interested in whether watching violence affected children's behaviors. To examine this, he showed a violent film to one group of preschoolers and a nonviolent film to a second group of preschoolers,

and then he observed their aggression levels. In this study, the independent variable was the: viewing of the violent film. level of aggression displayed before the film. level of aggression displayed following the film. children's home environment.

Within every cell are rod-shaped structures called ribosomes that carry genes

Indicate whether this statement is true or false.