[16ECO] Study the following chart; then answer the question that follows. Which statement about the economies of South Korea and North Korea can best be supported by the information found in this chart?

[13GOV] The United States Supreme Court cited the idea of separate but equal to justify the decision in which of the following cases?

[17PSY] Erik Erikson believed that personalities develop in a series of psychosocial stages.  One of the main elements of Erikson’s psychosocial stage theory is development of ego identity, the conscious sense of self that we develop through social interaction.  Which of the following identifies the stage in which adolescents explore their independence and develop a sense of self?

[17PSY] The behaviorist perspective of human learning is primarily concerned with the:

[08US] The brown haze called photochemical smog is most likely to be a problem in U.S. cities:

[07US] Which of the following leaders is best known for urging African Americans to concentrate their efforts on improving their education and economic status rather than on an immediate struggle to achieve political and social equality?

[11GEO] Assume that the demand for soft drinks is relatively inelastic. If the government imposes a per-unit tax on the sale of soft drinks, which of the following correctly identifies how the tax will affect the quantity demanded in the market and who will pay the largest portion of the tax?

[10GEO] Read the following passage; then answer the question that follows. … At Tenochtitlán, the Aztecs perfected an unusual method of farming. They built huge rafts, covered them with earth, and floated them on the lake. On these chinampas, or “floating islands,” they grew enough maize and vegetables to feed their expanding population comfortably. Eventually, roots from the tree rafts attached themselves to the bottom of the shallow lake to become permanent foundations for buildings.… — Lois Athey Which conclusion is best supported by the information in this passage?

[01HIST] A historian studying the impact of the Civil War on American society is most likely to ask which of the following research questions?

[01HIST] While conducting research on U.S. politics of the late nineteenth century, a historian considers consulting the autobiography of a prominent politician of that period. Using an autobiography for this type of research is most likely to help the historian: