ANSWER: CASE-CONTROL STUDY
EXPLANATION:
An epidemiology expert will make use of a Case-control Study for proper determination of association or linkage between the oil spill and the disease outbreak (arthritis).
Case-control Study provides an observational experiment between two existing groups (two reservoirs) differing in outcome (affected and not affected), they are highlighted and compared on the basis of a context (disease outbreak; arthritis).
However, the known group is regarded as the control group and it provides a substantial guide to the confirm the validity of other experimental groups in relation to the general context (outbreak of arthritis).
I couldn’t read it clearly but I think I might have a answer
Answer:q
Explanation: it’s a Latin
Leaders guide others and share knowledge and leaders solve problems
Explanation:
Since there are 50 states, and 20 osteopathic schools. 50 states represent 100%, 20 osteopathic schools represent that you divide the 20 ÷100 % which equal= 5%