Sociologist herbert gans, in his study of community life, focused on

Herbert Gans in his study focused on Demographic factors such as occupation, income, age, race.

Explanation: Herbert Gans, a sociologist born born May 7, 1927 was. He was a German immigrant to America and mainly described his works as an immigrant trying to understand America. His works mainly focused on characteristics used to classify people such as age, income(upper class, lower class, middle class), race(black, white, Hispanic, etc.)

michael joseph jackson was an american singer, songwriter, and dancer. dubbed the "king of pop", he is widely regarded as one of the most significant cultural figures of the 20th century and one of the greatest entertainers of all time.

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answer; i do believe that the answer is (c) electrolyte imbalance or (d) cessation of menstrual cycle; plz check first good luck