Answer:
Cohort study or prospective observational study
Explanation:
the Framingham study involves collected data from participants, their children and grand children at intervals over a long period of time.
a cohort study is aclinical research study in which people are examined over a period of time and compared with another group of people who are not under the study.
Answer:
The answer is D
Explanation:
Katelyn is not putting any effort to do the job by not contributing, but still gets rewarder for the high grade. A free rider is someone who takes credit for a job the person did not do. Katelyn is taking this type of credit, so she is a free- rider.
Answer:
- Treat the <u>sewage</u> before it is released into the water body.
Explanation:
The correct form of the word to fill the given sentence would be 'sewage' as it is in the singular form which agrees with the pronoun and the verb followed by it that is singular('it is'). It is the term used to denote the 'suspended water and solid waste transported by sewers to be disposed of or processed.' The large treatment plants are installed in every city for treatment of this wastewater in several stages prior to exempting them into a waterbody in order to prevent the water bodies from being polluted by these wastes. Thus, the correct form is 'sewage.'