13. ________ is the biological heritage (including physical characteristics such as one's skin color
and associated traits) that people use to identify themselves.
(A) Nationality
(B) Ethnicity
(C) Race
(D) Culture
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統計: A(0), B(1), C(2), D(0), E(0) #2586344
統計: A(0), B(1), C(2), D(0), E(0) #2586344