By the fifth or sixth month, children begin to coo

In class we discussed the teratogen called DES, which women took to try to prevent miscarriages. The effects of this teratogen most clearly illustrate which of the following points?

a. one teratogen can intensify the negative effects of a second teratogen b. some individuals are genetically predisposed to be resilient to specific effects c. effects of teratogens are often dependent on the psychological and physiological characteristics of the mother d. effects of teratogens may not appear for a long time

Which of these is the best analogy for the process of encoding?

a) imprinting the digitized musical notes onto the CD b) pulling the digitized impulses off the CD so they can be heard c) changing musical notes into digital impulses that can be recorded on a CD d) playing the musical instrument to create the musical notes that will be recorded