A. 120th
B. 138th
C. 110th
D. None of these
A. Jean Piaget
B. Edward O.Wilson
C. Erving Goffman
D. Harry Harlow
A. In the same class
B. among the children of different classes
C. between lower and middle classes
D. both a and c
A. Role theory
B. Reinforcement theory
C. Symbolic interactionism
D. None of these
A. Geography
B. Culture
C. Organizations
D. All of above
A. Mountainous Areas
B. Great deserts
C. Lowlands of great river basins
D. None of these
A. formal
B. Informal
C. Important
D. None of these