Q. Which phenomenon causes Earth's magnetic field?

  • (A) Mantle convection
  • (B) Outer core motion
  • (C) Plate tectonics
  • (D) Atmospheric winds
✅ Correct Answer: (B) Outer core motion
Explanation: Movements of molten iron in the Earth's outer core generate the magnetic field.

Published by Mr. Dubey ⭐ 106.32K Points at 16-Jul-2025 01:49 pm in Geography

Explanation by: Mr. Dubey
Movements of molten iron in the Earth's outer core generate the magnetic field.

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