What would prevent life from existing on Mars or even our Moon?

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Water is necessary for life, and water (hydrogen and oxygen) is everywhere in the universe.

Even the Moon has lots of ice.

H2O is necessary, but not sufficient. by bowser 2012-06-21 10:23:55
- Age of the universe by johannes 2012-06-23 12:54:38
  - Mars by johannes 2012-06-23 12:56:14
    - All in good time m'dear...all in good time. by Jody 2012-06-23 19:44:23
Nothing. by ER 2012-06-21 10:11:18
- How do you interpret “force” and “energy”? by johannes 2012-06-23 12:58:40
  - Force and energy by ER 2012-06-29 15:27:59
  - Force: When your parents made you take out the trash. Energy: What the dog has at eleven at night and wants ... by Jody 2012-06-23 19:47:52
    - :-) by johannes 2012-06-25 15:09:30

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