Sawaal
3
Q:

Which is evidence that supports the dynamo theory?

A) Earth's outer core contains liquid that conducts electricity B) Earth's core contains a large amount of iron
C) Granite and basalt conduct electricity D) Convection occurs in Earth's inner core

Answer:   B) Earth's core contains a large amount of iron



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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