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Necessary conditions for our existence

  1. Mar 31, 2005 #1
    I heard that there are so many conditions neccesary for us who are living on the Earth.
    Surely somebody must have collected them before. But I have a suggestion. What if PF people collect them once again in this thread?
    Anybody who knows some neccesary conditions for our existence on Earth can post it here.
    Is it an idea or what?
  2. jcsd
  3. Mar 31, 2005 #2
    Humans in a biological perspective, or everything in a physical perspective?
  4. Mar 31, 2005 #3
    Your answer is "everything in a physical perspective".
    Let me put it this way:
    I'm God and I want to create you again. Before I do so I must know what you need in order to remain alive.
  5. Mar 31, 2005 #4
    Last edited by a moderator: Apr 21, 2017
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