Mia's behavior is an example of - <em>A) conformity</em>.
Explanation:
<u>Conformity</u> <u>is a form of social behavior that is one of the most common in society, where individuals match their attitude and behavior with the group in order to fit in.
</u>
Here, Mia conforms to sorority's choices (group), because it is easier and safer to follow the path laid by others, rather than making a decision themselves and creating a new path. This behavior would put a person into a risk of exclusion, which is even higher with groups that share a strong self identity, like sororities.
Mining in a wider sense includes extraction of any non-renewable resource such as petroleum, natural gas, or even water. Mining of stone and metal has been done since pre-historic times.