____ is the embryonic structure that develops into the brain and spinal cord

From an evolutionary perspective, humans would be most likely to develop a phobia to which of the following?

A) atomic weapons B) guns C) snakes D) house cats

Which statement about motivation is TRUE?

a. Motivation energizes and directs behavior. b. We are always aware of motivational processes. c. There is only one type of motivation. d. Two people motivated by the same factor will satisfy that motive through similar means. e. Motivation always exists outside of one's awareness.