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16 December, 21:25

We now know that continents move approximately 2 cm per year. How do we

know/measure this?

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Answers (1)
  1. 16 December, 21:30
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    Answer: to accurately measure the movement of the continents - more than 1 inch (2 centimeters) per year ... About 4.55 billion years ago, matter condensed and then collided in a huge gaseous nebula, eventually creating the rocky bodies we now know orbiting ...
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