Definition:
A research problem is a statement about an area of concern, a condition to be improved, a difficulty to be eliminated, or a troubling question that exists in scholarly literature, in theory, or in practice that points to the need for meaningful understanding and deliberate investigation.
Answer:
Sweet taste.
Explanation:
The instructor determines that teaching was successful when the students identify that sweet taste is the most affected with aging. As we get older is harder to distinguish different flavors because the number of taste buds decreases, causing a loss on taste, this especially affects the sweet taste.
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Personal consequences
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