Final answer:
b. A mother, a father, and their nine children, ages one to seventeen. A nuclear family is a family structure consisting of one or two parents and their immediate offspring. The traditional nuclear family is composed of a married husband and wife with their children living in the same household. Various variations of the nuclear family have emerged, including single-parent households, cohabitating couples with children, and same-sex families with or without children.
Step-by-step explanation:
A nuclear family is a family structure consisting of one or two parents and their immediate offspring. The traditional nuclear family is composed of a married husband and wife with their children living in the same household. However, there are variations of the nuclear family that have become more common in recent years, such as single-parent households, cohabitating couples with children, and same-sex families with or without children.
Option b would be considered a nuclear family since it consists of a mother, a father, and their nine children. This aligns with the traditional definition of a nuclear family.