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symbo symbo
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7 years ago
The specific and unique property of water that was responsible for the large-scale surface features, dark polygons surrounded by heavily grooved and lighter terrain, on Ganymede's surface is
A)   its reflectivity when still wet compared to when it is fully frozen. Wet ice in the polygons appears darker.
B)   the difference in reflectivities of ice and liquid water. The light ice network surrounds darker pools of liquid water.
C)   the change in color of water ice with temperature, becoming darker in the centers of the colder polygons but lighter at their warmer edges.
D)   the fact that it expands when it freezes. Water squeezed out from beneath old, dark ice expanded to produce the lighter, raised terrain.
Textbook 
Discovering the Universe

Discovering the Universe


Edition: 7th
Authors:
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discovererdiscoverer
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7 years ago
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