At age 8, what percentage of African American girls have begun to develop breasts or pubic hair or both?

Which mental disorder is characterized by disturbances of thought, such as delusions and hallucinations?

A) Anxiety disorder B) Mood disorder C) Paranoid personality disorder D) Schizophrenia

The first primates

A) were the bark from trees. B) were relatively large compared to other species. C) dined on other primates.. D) were able to grasp objects with their hands. E) were blind.