Based on the Assumption That a Liquid-Conducting Core and Rapid

question 4

Multiple Choice

Based on the assumption that a liquid-conducting core and rapid rotation both are required for a magnetic dynamo to operate, which terrestrial planets would you expect to have magnetic fields?

• A) only Earth
• B) only Earth, Venus, and Mars
• C) only Earth and Venus
• D) only Earth and Mercury
• E) Earth, Venus, Mars, and Mercury

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Definitions:

Central Canal

A fluid-filled channel in the center of the spinal cord or in the bone marrow where it serves different roles including housing blood vessels or nerves.

Visual Information

Data received by the eye and processed by the brain to construct a visual representation of the surrounding environment.

Occipital

Pertaining to the occipital bone or the occipital region of the brain, involved in visual processing.

Meninges

The three layers of protective tissue (dura mater, arachnoid mater, and pia mater) covering the brain and spinal cord.