Geology on Mars

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Across
  1. 1. event or events that causes changes in the geosphere
  2. 3. conditions needed to support life
  3. 5. interacting parts forming a complex whole
  4. 7. something that helps us understand something by making it simpler or easier to see
  5. 8. long, narrow groove that forms where water or lava flows
  6. 10. the how or why the evidence matters
Down
  1. 2. proposed answer
  2. 4. information that is used to support or refute a claim
  3. 6. any planet with a solid surface, such as Earth or Mar
  4. 9. a feature on the surface of a planet, like a mountain or channel