Answer:
I would say B only because it seems most likely.
Explanation:
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Your emotions behaviors and thoughts
Recommended you consume less than 2,300 milligrams because more than that can lead to high blood pressure, heart disease or stroke
What are the effects? you need to add more details, or add an attachment...
By he NIH trying a new drug to help reduce pain associated with sickle-cell anemia, it's an example of an "experiment".
An experiment involves a hypothesis (an educated guess as to what's going to happen) and trying out the hypothesis and finding the solution.