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.
Prepare in a bio safety cabinet
Answer:
Poor nutrition, lack of physical activity, and tobacco use are 3 behaviors that contribute to the development and severity of 4 chronic diseases that cause more than 50% of the deaths of all Vermonters.
