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Home Q & A Board Science-Related Homework Help Physics
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doit_the_clown doit_the_clown
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7 years ago
The magnetic field of the Earth is caused by
A)   a solid iron magnet inside the Earth.
B)   electric currents flowing in the molten core.
C)   the motion of electrically charged particles in the solar wind blowing around the Earth.
D)   electric currents flowing in the high atmosphere (ionosphere) of the Earth.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
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Only two things are infinite, the universe and human stupidity, and I'm not sure about the former.

Albert Einstein
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papachulopapachulo
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7 years ago
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