Which of the Following Best Describes the Geological Histories of the Moon

question 85

Multiple Choice

Which of the following best describes the geological histories of the Moon and Mercury?

• A) Early in their histories, they suffered many impacts and experienced some volcanism and tectonics, but they now have little geological activity at all.
• B) Impact cratering is the only major geological process that has affected their surfaces.
• C) All four geological processes were important in their early histories, but only impact cratering still reshapes their surfaces today.
• D) Impact cratering shaped these worlds early in their histories. Then, during the past few million years, they were reshaped by episodes of volcanism and tectonics.

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