Answer:
Social economic status.
Explanation:
Social economic status is an economic and social combined total measure of a person's work experience and of an individual's or family's economic and social position in relation to others.
Viruses are pieces of genetic material encased in a coat of protein
The correct answer is C.
An author's credentials can determine a health source's credibility. None of the other options would apply to credibility. When it comes to health, if you want to make sure that what you are researching or reading is authentic and reliable you need to find out whether the author is a professional health expert or not. You can do this by finding out their credentials.
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