The primary source of erosion on the Moon is _____.

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     strong solar-wind bombardment
      subsurface water flow
      boulders crumbling and rolling downhill
      impact cratering
      crust fracturing due to tectonic motion
asked Sep 20, 2012 in Astronomy by anonymous
    

1 Answer

0 votes
impact cratering
answered Sep 22, 2012 by SkyStar ~Expert~ (2,855 points)

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