The Origin of the Martian Magnetic Field Appears to Be

question 578

Multiple Choice

The origin of the Martian magnetic field appears to be:

• A) magnetic material deposited by impacts of iron meteorites.
• B) an electric dynamo still operating in the small Martian core.
• C) convection of molten, iron-rich lava in the Martian mantle.
• D) remanent magnetism from an earlier global magnetic field when Mars was young.

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Definitions:

Autonomy

The capacity to make an informed, uncoerced decision or the self-governance of an individual or entity.

Confusion

A state of being unable to think clearly or understand what is happening or what is expected.

Initiative

The ability to assess and initiate things independently, often seen as a leadership quality.

Sense Of Identity

The way an individual perceives themselves; the sense of who they are.