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According to Wegner's theory the mountain ranges formed by continents colliding.

Wegner propounded the continental theory as per which continents are moving away from each other. The factors which Wegner stated as reason for this drifting was

  • Centrifugal force, which is caused by the rotation of the earth and move the continents apart from each other.
  • Tidal effect, which is caused by the gravitational force of both Sun and Moon on the earth.

As per Wegner once all continents are together and known as "Pangea"

and surrounded by the single water body called "Panthalassa".

To know more continental drifting theory, click below

https://brainly.com/question/15269125

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