CUIZ-FACT-769FF5DA
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Science
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What causes the Earth's magnetic field?
Verified Answer
The Sun's radiation
Quiz Options
- The Sun's radiation
- The Moon's gravity
- Convection currents in the Earth's mantle
- The movement of molten iron and nickel in the Earth's outer core
Explanation & Context
The geodynamo theory states that the Earth's magnetic field is generated by the convection of electrically conductive molten iron and nickel in the outer core.
Also Asked As / Semantic Queries
"Which causes the Earth's magnetic field?"
Authoritative Sources & Citations
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