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Type: Multiple-Choice
Category: Earth's Layers
Level: Grade 9
Author: meghandorrell
Last Modified: 4 years ago

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Earth's Layers Question

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Grade 9 Earth's Layers

The magnetic field is likely generated by                                                .
  1. the tilt of Earth's rotational axis.
  2. the solar wind.
  3. fluid movements in the outer core.
  4. deformation of the asthenosphere.
  5. a large deposit of magnetite at the North Pole.