What Is Believed to Be the Cause of the Long,meandering

question 14

Multiple Choice

What is believed to be the cause of the long,meandering scarps (cliffs) observed on Mercury?

• A) Shrinkage of the planet as Mercury cooled
• B) Large impacts near the end of the early period of heavy bombardment
• C) Volcanic eruptions along crustal faults over hot spots in the mantle
• D) Crustal movement due to convection in the mantle,similar to continental drift on Earth but to a much smaller extent

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