Subjects are classified according to their exposure to a factor of interest and then are observed over time to document the incidence of disease in what type of study? cross-sectional study retrospective cohort study case-control study prospective cohort study

Will give brainliest to the correct answer no randoms the pope cannot forgive any guilt, except by declaring that it has been forgiven by godand by giving in to god's forgiveness. therefore those preachers of in dulgences are in error, who say that by the pope'sindulgences a man is freed from every penalty, and saved. christians are to be taught that he who gives to the poor or lends to the needy does abetter work than buying indulgences. the excerpt above is from martin luther's ninety-five theses. luther posting the ninety-fivetheses is traditionally considered the beginning of the

Aprovision of the general agreement on tariffs and trade treaty (gatt)increased taxes on services between the us, mexico, and canada. reduced international tariffs on industrial goods by forty percent. increased us tariffs on agricultural products by forty percent. ended taxes on goods traded by the us, mexico, and canada.

An object weighs 40n in air , weighs 20n when submerged jn water and 30n submerged in a liquid of unknown density .what is the density of the liquid?