The Presence of a Magnetic Field Is a Good Indication

question 97

Multiple Choice

The presence of a magnetic field is a good indication that:

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

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