1. 黄海导航5g资讯在线_琪琪影影2018在线观看_乡村乱欲伦小说阅读

      How easy is it to group people into “races” based on appearance? What about using individual traits? Does everybody classify the same way?

      Try your hand at "sorting" individuals and see if it matches how people think of themselves. Or explore how we might sort people by physical traits.



      Activities require the Flash 6 plugin.

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