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5 votes
What causes the earth’s magnetic field?

A.
currents in the earth’s liquid-metal outer core

B.
the mineral composition of the earth’s crust

C.
molten material in the mantle

D.
magnetic particles located at the earth’s poles

2 Answers

2 votes
i think its letter b. the mineral composition of the erath's crust
User Farshad
by
8.2k points
3 votes
A. Currents in the earth’s liquid-metal outer core

Hope this helps!
User Fmatar
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8.3k points