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Q&A How would humans have developed without fossil fuels?

I am designing a world where humans have somehow developed or have been put onto a planet in a primitive state. This world has only been habitable for about ten thousand years and therefore only ha...

5 answers  ·  posted 10y ago by JDSweetBeat‭  ·  last activity 8y ago by JDSweetBeat‭

Question reality-check evolution alternate-worlds