The clear, transparent protective coating over the front part of the eye is the ______

Feelings of depression

a. are very rare and occur only in people with a genetic predisposition. b. occur only when triggered by a severely negative event. c. occur only in people between the ages of 25 and 40. d. are universal and experienced by everyone occasionally.

The right and left halves of Shawna's cerebrum can no longer communicate with each other because her _____ was destroyed

a) thalamus b) cortex c) corpus callosum d) corpus cerebrum