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You tend to believe that the continents have been drifting away with constant speed. If this presumption is correct, then the continent will come close to each other eventually with time. This is not correct. The speed of the drifting away of the continents has been not the constant one. The moment of the continents is not the random event. They are moving with a purpose as to fallow some law of physics. A simple example will explain the same. if you fill the water in small tank. There is tap at the bottom of the tank. The initial speed of the water that comes out is high. It slows down eventually. The same thing is correct for the drifting of the continents. The initial speed of drifting away was high. The drifting way will halt eventually as the continents get spread all over the surface of the earth. This is the theory. Submitted to the science community.

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Q: Is it the fact that the continents are drifting away with constant speed?
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