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there is vacuum in space.Then from where does a spaceship get the thrust to move on? ...
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RIDDLE: WHY DOES THE TOWER OF PISA LEAN? ...
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WHAT IS ANTIMATTER? WHAT WOULD HAPPEN IF AN ANTIMATTER COMES IN CONTACT WITH A MATTER OF PRORERTIES OPPOSITE TO IT? ...
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On my calculator screen, the number 2659 can be read upside down as 6952.The digitsthat can be read upside down are 0,1,2,5,6,8,9 and are read as 0.1.2.5.9.8.6 respectively.Starting with 1, the fifth number that can be read u ...
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Quadrilateral ABCD has AB=BC=CD, ANGLE ABC=70degees ,and ANGLE BCD=170degree.WHAT IS THE MEASURE OF ANGLE BAD? ...