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Q&A What is the smallest land mass to support human civilization?

Let's say we have an Earth-sized planet and the same general solar activity and climatology. However, the continents are much smaller, and it's effectively impossible to accomplish travel between t...

4 answers  ·  posted 5y ago by Daniel R. Collins‭  ·  last activity 5y ago by Daniel R. Collins‭

Question natural-resources civilization