Danica is pregnant. Her developing baby is moving and sleeping. It is developing the ability to breathe and swallow. Danica's baby is in which period of prenatal development?

Valium is technically classified as a(n) ______

a. sedative c. antidepressant drug b. antianxiety drug d. psychostimulant

The following is a description of a child being assessed in Piaget's pendulum task: "They may try the heaviest weight on the longest string dropped from medium height with medium force, then a medium weight on the smallest string dropped from

medium height with lesser force. If they happen to arrive at the right answer they find it difficult to explain why." According to this description, it is clear that the child is in which of Piaget's stages of cognitive development? a. sensorimotor b. preoperational c. concrete operations d. formal operations