Answer:A cohort study
Explanation: A cohort study is an observational longitudinal study in which a group of individuals with similar characteristics are sampled and followed through cross sectionally at intervals over time and compared based on the factor of interests employed at each time. Such defined group of people or cohorts are usually assembled at present and followed up at intervals to ensure comparisons are maintained throughout the course of the study. Cohort study is very relevant especially in the field of medicine as it has helped to provide answers based on statistics by providing preclinical justification for the use of treatment having being analysed cross-sectionally and compared over a long period of time
Professor Sheckler research on a specific group of college students, following the same individuals through their senior year and then five years afterward should employ the Cohort Study methodology.
Which of the following is an example of a molecule with different atoms?
Answer:
Hi, There! 
Here! your Answer Is Option B.
Also I See that This Question Is Under "Social Studies" Next time Make sure to Put it under the right Subject so they dont delete the Question :D
Hope this Helps!!
The quote is from—and reflects the main idea of—the Supreme Court case— <span>Marbury v. Madison .</span>
