Data from a study about the effects of certain diets on people's health is primary source. i.e, option A is correct.
<h3>What source is a primary source?</h3>
Primary sources are documents, images or artifacts that provide firsthand testimony or direct evidence concerning an historical topic under research investigation. Primary sources are original documents created or experienced contemporaneously with the event being researched.
Data about the fact of certain diets on people health is primary source.
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Divorce can, with some justification, be viewed as either a problem, a symptom, or a solution. Which of these is or should be the prevailing view depends on who is looking at the subject. Different stakeholders are concerned with the quality of family life and the effects that divorce might have on individuals and the culture as a whole. Among the groups with a vested interest in divorce are politicians, religious groups, counselors, educators, and families themselves
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