Which of the following structures is the first sign of a human body forming during the embryonic period?

the neural tube
the spinal cord
the primitive streak
the blood vessels

the primitive streak

Psychology

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In Horney's concept of basic anxiety, the threat to the individual comes from

a) the id. b) a perception of the environment as dangerous and unfair. c) the amygdala. d) conditional positive regard.

Psychology

An implicit cultural norm has been violated when ________

a. taxes are due on April 15 but a person doesn't file a return. b. a parent allows a 13-year-old to get behind the wheel for a short drive home. c. a driver accelerates during a yellow light in order to cross the intersection. d. the school library is almost completely empty but a student sits right next to a stranger.

Psychology