Denise is pregnant and has an ultrasound to "see" her unborn baby. Denise's doctor can clearly identify the baby as a female. This suggests that the baby is in the ____ period of prenatal development

The ability to mentally represent a sensory experience is __________

a) mental imagery. b) cognition. c) natural concepts. d) induction.

In comparison to sexual activity patterns and pregnancy rates in Europe, teenagers in the United States are _______ likely to be sexually active and _______ likely to become pregnant:

a. more; less b. equally; more c. less; less d. more; equally