The Residual Polar Caps on Mars Are Made of

question 80

Multiple Choice

The residual polar caps on Mars are made of

• A) carbon dioxide ice
• B) methane ice
• C) water ice
• D) a uniform mixture of water and carbon dioxide ices

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Definitions:

Evaporation

The process by which water changes from a liquid to a vapor or gas, often driven by heat from the sun.

Caves Collapse

The sudden failure and falling in of a cave's ceiling or walls, often due to natural processes such as erosion or the removal of supporting material.

Sinkhole

A depression or hole in the ground caused by the collapse of a surface layer, often due to the dissolution of limestone or other carbonate rock by groundwater.

Dewatered Zone

An area from which significant amounts of water have been removed, often related to geological or artificial processes affecting soil and rock permeability.