Cool Video: Where Does Water Come From?

Water makes the earth different than any other planet in the solar system.  Do you ever wonder where it comes from?  I had thought it was, like, always part of Earth.  Apparently this is only half right. This four minute Cool Video from National Geographic explains the origins of our water.  





Cool Video: Where Does Water Come From? Cool Video:  Where Does Water Come From?  Reviewed by Marc Chandler on December 20, 2014 Rating: 5
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