Secondary sex features are characteristics that develop during puberty. Using the process of elimination, options B and D are really primary gender characteristics. Also, option A has more to do with your genetics than your gender.
That leaves option C. Breasts. They are a secondary sex characteristic that develops during puberty.
Hope this helps! :)
<span>Which of these probably could not be used to identify you without additional information?
C. A list of your favorite movies
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According to statistics, currently there are approximately 22 million drug users living in the United States.
