Geography
Give reasons for the following:
Core is working as a magnetic field.
Earth's Structure
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Answer
The Earth’s core, especially the outer core, is made up of molten iron and nickel. Due to the rotation of the Earth, these liquid metals move and generate electric currents. This movement of electrically charged fluid produces a magnetic field around the Earth.
This phenomenon is called the dynamo effect, and it is the reason why the Earth behaves like a giant magnet, with a North and South Magnetic Pole.
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