The Presence of a Magnetic Field Is a Good Indication

question 36

Multiple Choice

The presence of a magnetic field is a good indication that

• A) the Earth's interior must be completely molten to the center.
• B) the Earth's interior has had time to solidify, with a rigid bar magnet created.
• C) the Earth's interior is similar to Mercury's, as both have fields.
• D) a huge iron meteorite lies somewhere high up in the mantle, not in the core.
• E) the Earth has a liquid metal outer core, spinning rapidly as it rotates.

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