The animal in skinner's box clicked the bar repeatedly because it was offered

In what ways did president richard nixon send mixed messages regarding civil rights? a. he placed southerners on federal courts and increased busing. b. he supported segregation as well as affirmative action. c. he criticized school busing but initiated affirmative action. d. he increased school busing but vetoed affirmative action.

The inventor cocreated the film fred arts sneeze which was one of the first american movies

What are the strengths of the byzantine empire?