Whow does the author compare the old world to America in the beginning of the text

Ablank relationship exists between an employee and a supervisor

Pollution from a factory that produces cleaning products is an_

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.