Negative reinforcement and positive reinforcement
Secretary of State: Alexander Hamilton
<span>Demparment of Foreign Affairs: Thomas Jefferson</span>
Answer:
Explanation:
According to my research on studies conducted by various medical professionals, I can say that based on the information provided within the question the health care provider will tell you what the Western Blot measures. This test is a more sensitive assay that looks for any antibodies to specific viral antigens within the body.
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A primary source is a document or account created from the time under study.
A secondary sources is a document or account created or written after the time
under study. Usually by people who study in whatever subject that is under study.