What is a person called who is living in the united states, but is a citizen of another country? a. lobbyist b. radical c. deportee d. alien

What is the rule relating the ratio of marginal utility to prices of two goods at the optimal choice? explain why, if this rule does not hold, the choice cannot be utility-maximizing.

Africa, 1914 which statement is the best conclusion for the information presented in the map? a) european colonization had a positive impact on african nations. b) african colonization the economic growth of all european nations involved. c) by the outbreak of world war i, most of the african continent was under english control. d) by the outbreak of world war i, most of the african continent was under european control.

The form the boundary between north and south china. a. himalayan mountains c. change river b. xi river d. qinling shandi mountains