What Evidence Would a Planetary Geologist Use to Identify a "Young

question 120

Multiple Choice

What evidence would a planetary geologist use to identify a "young" crater on Mercury?

• A) Infrared and photographic results showing evidence of water released recently from the permafrost by the impact
• B) Sharper rim and central peak compared to older craters,whose features would have suffered significant erosion by wind and dust
• C) Lighter-colored central region,because older craters would have acquired a layer of dark dust over time
• D) Few,if any,smaller craters within it or on its rim

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