Discussion :: Physics
- Which is evidence that supports the dynamo theory?
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A.
Earth's outer core contains liquid that conducts electricity |
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B.
Earth's core contains a large amount of iron |
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C.
Granite and basalt conduct electricity |
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D.
Convection occurs in Earth's inner core |
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Answer : Option B
Explanation :
In physics, the dynamo theory proposes a mechanism by which a celestial body such as Earth or a star generates a magnetic field.
Earth's crust core contains a large amount of iron and nickel is the evidence of the dynamo theory.
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