What states that scores on iq tests have steadily risen since 1920?
a. heritability
b. stereotype vulnerability
c. flynn effect
d. environmental theory

Me! these questions are based on american people in the south essential questions: question 1: for what reasons will one group of people exploit another?focus questions: question 1: what influenced the development of the south more: geography, economy, or slavery?question 2: what were the economic, political and social arguments for and againsts slavery in the first half of the 19th century.