The phenomenon in society in which people move up and down and vice versa on social scale is known as?

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E6 Applied Sociology for Nurses TK Indrani pp. 184-186, 185-187, 183-185
Practise the full RUHS, Jaipur, M.Sc Nursing Entrance Exam-2015
Attempt every question from this paper in a timed mock, then review the full solution for each one.