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11. Earth's magnetic field is created by the

A. bar magnets
B. reaction forces
C. gravitational forces
D. flow of electric charges


Sagot :

Final answer:

Earth's magnetic field is generated by electric currents in the liquid outer core of the Earth, shielding us from harmful radiation.


Explanation:

Earth's magnetic field is primarily influenced by electric currents in the liquid outer core of the Earth, composed of highly conductive molten iron. The magnetic field is generated through a feedback loop involving Ampère's law, Faraday's law, and the Lorentz force exerted on flowing charges. This magnetic field shields the Earth from harmful radiation from the Sun.


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