Diagram the different types of color deficiencies.

Which hemisphere of the cerebral cortex is better at math, logical reasoning, and language tasks?

a) front b) rear c) left d) right

According to research presented in your textbook, approximately ____ percent of high school student report having used anabolic steroids, with more frequent use occurring in boys and in younger students

a. 2 b. 3 c. 5 d. 7