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Q&A What is the minimum distance needed between physically distinct races?

If there are several races with very distinct appearances (e.g. Nordic-pale vs. Arabic-tan skin, red vs. black hair, etc.), how much space / natural barriers do I need between their homelands to ju...

3 answers  ·  posted 10y ago by Epiglottal Axolotl‭  ·  last activity 10y ago by Epiglottal Axolotl‭

Question geography races demographics genetics