Mr. smyttie suffers from amnesia and is unable to remember playing golf on what was once his favorite course. but the longer he plays the course, the more his game improves. his experience illustrates the difference in:

Explanation: amnesia is a condition that gets better over time so it's normal that his game gets better the more he plays. He will gradually get his memory back

the answer to your question is (pancreas).

having the certification could make the person more required to do a certain thing then another.this could also lead to different job offers or opportunities.