Glycerin is used in cosmetics as a moisturizer. Identify the functional group circled. 
Definitions:
Ethnic Groups
Social groups that share a common and distinctive culture, religion, language, or the like.
Percentile
A statistical value that represents the position of a score in a distribution, showing the percentage of scores that fall below it.
Scale of Measurement
A system that specifies the nature of the relationship among values assigned to objects or individuals based on properties.
Achievement Test Scores
Quantitative measures of an individual's knowledge or proficiency in a particular subject or skill area, derived from standardized tests.
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