Which of the following is the upper part of the brain consisting of two cerebral hemispheres and the structures that connect them?

No matter how long and hard Lerae studies, she always feels she hasn't studied as much as she should have. A Freudian psychologist would suggest that Lerae shows signs of a

a. strong id b. weak id c. weak ego d. strong superego

Which of the following is true of spermarche?

A) Its onset varies considerably between different ethnic groups. B) It typically occurs between 13 and 14 years of age, but the production of viable sperm does not happen until a few months later. C) It typically occurs between 15 and 16 years of age. D) Viable sperm production usually occurs a few months prior to the first ejaculation.