The Grooves and Ridges on Ganymede Are Thought to

question 93

Multiple Choice

The grooves and ridges on Ganymede are thought to

• A) be due to the moon's rapid rotation.
• B) be due to crustal tectonics motion (plate tectonics).
• C) have formed within the last thousand years.
• D) be part of an ongoing volcanic process.
• E) have grown considerably larger since the Voyager spacecraft discovered them.

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