Answer:
Systematically describe; assess relations between variable. Option A
Explanation:
First, we will fill in the gap in the question, check below;
''Whereas observational research is designed to SYSTEMATICALLY DESCRIBE behavior, correlational research is designed to ASSESS RELATIONS BETWEEN VARIABLE''.
In order to analyze a particular subject there is a part of research techniques to be used in which the analyst just have to observe, the research method or technique for that is called the Observational research. The person observing or the analyst can also be a participant that is part of the subject and still observe.
When you take two things -- variables and you compare and contrast them, you are already using the Correlation research method.
Answer:
When two or more people get sick and have the same symptoms after eating the same food at a foodservice operation
Explanation:
Digestion<span> begins in the mouth with chewing and ends in the small intestine. As food passes through the GI </span>tract, it mixes withdigestive<span> juices, causing large molecules of food to break down into smaller molecules.
found at
</span>Your Digestive System and How It Works | National Institute of ...<span>https://www.niddk.nih.gov/health-information/health...digestive-system/.../anatomy.aspx</span>
