How Is Water Ice Able to Remain on the Surface

question 205

Multiple Choice

How is water ice able to remain on the surface of Mercury, despite the planet's close proximity to the Sun?

• A) The water ice is continuously replenished by condensation of water vapor from volcanoes.
• B) The water ice is continuously replenished by fresh impacts from comets.
• C) The water ice exists as permafrost below the thermally insulating surface and is exposed only by occasional impacts.
• D) The water ice is permanently shielded from the Sun by crater walls at the north and south poles.

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Definitions:

Relevant Elements

Components or aspects that have significant importance or bearing on the matter at hand.

Attitude-Centered

Focusing on the importance of individuals' attitudes in shaping behaviors and outcomes.

Role-Centered

An approach or perspective focusing on the functions and responsibilities assigned to individuals within a structure or system.

Prior Experience

The knowledge or skills a person has gained before the current point or role, often influencing their capacity to learn new tasks or adapt to new situations.