How Many Ice Ages Have There Been?

Answer

As far as everyone know's there have been about four Ice Ages. The most recent one was about four million years ago. The longest one was about one billion and 500 million years ago.
Q&A Related to "How Many Ice Ages Have There Been"
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dawn of the dinosaurs is out in theatres, and it is the 3rd.
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There have been 2 Ice Age movies, 2002 and 2006. Ice Age 3 is scheduled to release on July 1, 2009!
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I have one before iPad came out. After iPad didn't use much.
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