Cohabitation is a kind of family which involves two individuals living together without a format marriage and its legal implications.
Step-by-step explanation:
Dual-employed marriage:
It is a family where "husband and wife has a career" and also manage their own family commitments.
Blended family:
"A blended family or step-family" where a couple make a "life together with their children" from one or both of their previous relationships.
Cohabitation:
It is the process of a" male and female living together" in a single home without doing marriage.
Nuclear family:
Where an husband and wife live along with their children without including neither parents.