Rifting And Continental Drift
Rifting And Continental Drift
Rifting And Continental Drift: Wegner's theory of continental drift did not explain how the continents moved. Wegner had proposed that gravity and the spinning of Earth could be involved. He thought the continents just scraped across the ocean floors.
Hess's theory of seafloor spreading offered a much more likely mechanism for movement of the continents. He believed that the continents broke up by a process called rifting. The crust cracked and subsided, allowing in water from the oceans. One such water-filled rift is the Red Sea.
Then the process of seafloor spreading occurred. As new crust formed at the ridges, the continents moved along with the ocean floor as it spread away from the ridges.
Red Sea Formed by Rifting
Which of the following is a is water filled rift ? | |||
| Right Option : A | |||
| View Explanation | |||
Which of the following can be the cause of sea floor spreading ___________ | |||
| Right Option : A | |||
| View Explanation |
The reason for the movement of continents suggested by Wegner is ________________ . | |||
| Right Option : D | |||
| View Explanation | |||
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