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A slow rain of projectiles from space has pockmarked solid surfaces across the solar system. Those marks are:
ADust storms
BImpact craters
CRift valleys
DLava flows
Answer & Solution
Correct answer: B. Impact craters
1. The projectiles arrive from space.
2. They come in all sizes.
3. They are impact craters.
_Source: OpenStax Astronomy 2e, Chapter 7, Other Worlds: an Introduction to the Solar System._
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