I am not positive of your question but if you are asking what is the way to make your sentences differ from one another. Transitional verbs such as then, therefore, another argument, etc.
It identifies the focus and method of the research project.
AND
it provides important scientific and medical data to the public.
Answer:
Identify the audience and what they will need or want to lnow about the topic.
Explanation:
Water filters take in water and clean the water. Say some dirt fell in your pool. The water filter would take in the dirty water and clean it and come out with fresh clean water!
Code if conduct (rules) in medevil times