(A) Hereditary traits (X)
(B) Social groups interaction ()
(C) Both ‘a & b’ (X)
(D) None of these (X)
Answers: Social groups interaction
(A) Hereditary traits (X)
(B) Social groups interaction ()
(C) Both ‘a & b’ (X)
(D) None of these (X)
Answers: Social groups interaction
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