Answer:
A prospective cohort study
Explanation:
A prospective cohort study -
It is a longitudinal study which a group of people with certain differences are studied , in order to determine how various factors affect the rate of the outcomes .
This method is adapted for studying various diseases , this method is a long run method , which is done for years to have complete and brief knowledge .
hence , from the question , Cancer study is done on the 3,000 adults of Baltimore , showing the example of a prospective cohort study .
Jesuits (Society of Jesus)
In China, Jesuits sought to convert, focusing on the intellectual and political elite. Enhanced status by introducing latest science and tech. from Europe, and allowing Chinese to continue ancestor worship.
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