What Did Radar Astronomers Find in the Polar Regions of Mercury

question 30

Multiple Choice

What did radar astronomers find in the polar regions of Mercury?

• A)rift valleys
• B)large mare basins, such as near our Moon's south pole
• C)water ice that never melts in the deep craters
• D)polar caps of dry ice that vary seasonally, much like Mars
• E)auroral displays much like Earth's

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Definitions:

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A cognitive framework representing the sequence of actions and behaviors expected when dining in a restaurant.

Waiter

A person who serves food and beverages to customers in dining establishments.

Salad

A dish consisting of mixed pieces of food, typically with at least one raw ingredient, often served with a dressing.

Table

A piece of furniture with a flat top and one or more legs, used as a surface for working, eating, or on which to place objects.