The response that BEST expresses the distinction between custom and habit and the significance of this distinction in studying culture is:
A habit refers to an individual choice, while a custom relates to the choices typical of a group, so researchers rely more on information about customs than habits in studying culture.
This distinction highlights that habits are individual behaviors, while customs are collective practices that define a culture. Understanding customs is crucial for studying culture as they provide insight into the shared values and norms of a community.