4) How do you determine what state of matter (solid, liquid, gas, aqueous) a reactant or product in a chemical reaction is in?

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.

Abrief, "first-step" presentation of a work to be completed is called a

What was one of the main goals of european exploration