Answer: a) Retrospective cohort study
B) Relative risk C) 3.1
The cholesterol level measured in 1992 is a valid determinant of exposure status during the entire study period.
Trish will have a difficulty adjusting the responsibilities due to her being homesick.
Excretory System
Hope this helps!
Two possible reasons that <span>both engineers and scientists use a design process for their work would be as follows:
</span><span>1. look to improve what's done before ex. better surgery or medicine
2. processes are similar. They both need to start with a problem, then find a solution.
Hope this answers the question. Have a nice day.</span>
