Answers

2016-04-13T19:47:40+05:30
The full form of UFO is Unidentified Flying Object & some believes that aliens may exist..
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2016-04-13T19:48:37+05:30
UFO stands for Unidentified Flying Object.
Scientists are trying to find about the existence of aliens. Some believe that aliens exist really, and some of them have even witnessed them.
But nobody has a absolute proof.
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