Achild who can understand adding and subtracting by using blocks, but cannot think logically about these abstract concepts when done with numbers on paper, is probably in the " " stage a. formal operations b. sensorimotor c. preoperational d. concrete operations

Which three sentences in the story indicate that the passage is an ex nihilism type of creation story?

Political boundaries are determined by the political party in control at all time true or false

Which of the following studies is linked most directly to the establishment of the national research act in 1974 and ultimately to the belmont report and federal regulations for human subject protection? a. the public health service tuskegee study of untreated syphilis in the negro male. b. stanford prison experiment (zimbardo).c. tearoom trade study (humphreys).d. the harvard t3 study.