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22 July, 16:57

What causes the earth's magnetic field?

A.

the mineral composition of the earth's crust

B.

currents in the earth's liquid-metal outer core

C.

molten material in the mantle

D.

magnetic particles located at the earth's poles

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Answers (1)
  1. 22 July, 17:22
    0
    The answer is B. because the peaces move making friction which results in the magnetic field.
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