Consider an External Solar System in Which There Are Three

question 20

Multiple Choice

Consider an external solar system in which there are three terrestrial planets. All are located far from other objects so tidal forces aren't significant. If planet A has a radius of 1 Earth radius, and planet B has a radius of 2 Earth radii, and planet C has a radius of 3 Earth radii, which planet has the highest chance of having at least a partially liquid core and a detectable magnetic field?

• A) Planet A
• B) Planet B
• C) Planet C
• D) They all have the same likelihood of having a liquid core.
• E) None of these planets should have a liquid core, because they all should have completely solidified.

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Definitions:

Camouflage

The adaptation of an organism's appearance to blend in with its environment, aiding in protection against predators.

Nerve Net

A simple nervous system found in some invertebrates, consisting of interconnected neurons with no central brain.

Nervous System

The complex network of nerves and cells that transmits signals between different parts of the body, enabling sensory perception, coordination, and response to stimuli.

Annelids

A phylum of segmented worms that includes earthworms, leeches, and polychaetes, characterized by a segmented body structure.