Question

which piece of text uses this meaning of minor?
minor noun a person who is not legally an adult
according to the survey, a majority of employers consider an applicants course of study in college to be a minor factor in the hiring process.
in most states, a minor must have permission from a parent or guardian to get his or her ears pierced.

Explanation:

We need to find the text where "minor" means "a person who is not legally an adult". In the first text, "minor" means "less important", as it refers to a factor in the hiring process. In the second text, "minor" refers to a person who needs parental permission to get ears pierced, which fits the definition of a person not legally an adult.

Answer:

In most states, a minor must have permission from a parent or guardian to get his or her ears pierced.