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The cosmic background radiation is
Social Mobility
The movement of individuals, families, or groups through a system of social hierarchy or stratification.
Lifetime
The period of time that an individual is alive, often used to denote the duration of a person's existence or a product's usefulness.
Socioeconomic Status
A social standing or classification of individuals and groups based on factors like income, education, and occupation, which influences access to resources and opportunities.
Working-Class Woman
A female belonging to the social group that is primarily engaged in manual labor or blue-collar jobs, and is often considered lower in socioeconomic status.
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