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If billions of people died in horrible war and only 100 survivors were left on Earth how long for it to reach a billion people ?

3 Answers

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  • ?
    Lv 6
    4 years ago

    Thousands of years. They would encounter the same mess that has happened in the past in regards to famine and plague and probably war.

  • 4 years ago

    Maybe never. Radiation, infection, air pollution, & starvation, may finish them off.

  • 4 years ago

    About 1 wars length as a billion people died in a war than a billion people would be born in a war

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