Interest in Continental Drift Waned Until Studies of Earth's Magnetic

question 18

Multiple Choice

Interest in continental drift waned until studies of Earth's magnetic field and oceanographic research showed that ____.

• A)present-day oceans basins are old features that resulted from the breakup of Pangaea
• B)continents were constantly being pulled toward the poles by magnetic forces
• C)present-day ocean basins are not as old as continents but instead, are geologically young features that resulted from the breakup of Pangaea
• D)iron-rich continental plate material was being pulled into the ocean by Earth's magnetic field
• E)present-day ocean basins are old features that resulted from erosion of continental coastlines

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Definitions:

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