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How come the oceans haven't been absorbed?

  1. Jun 5, 2013 #1
    How come the Earth's oceans didn't get absorbed or slowly leak into the ground over the past 4.5 billion years? Especially when the Earth has tectonic activities and the crust constantly split open and closes...etc.
  2. jcsd
  3. Jun 6, 2013 #2

    D H

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    Thread closed pending merge/cleanup.

    The bulk of the posts in this thread has been moved into Flatland's 18 month old thread on the exact same issue. Here's that old thread, now with new responses: [thread]564079[/thread].

    This thread will remain closed.
    Last edited: Jun 6, 2013
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