easy puzzle

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Across
  1. 1. Horizontality - sedimentary layers are initially deposited in horizontal layers
  2. 3. - study of strata
  3. 5. - pulling
  4. 6. - surfaces of nondeposition or surfaces that have been subject to erosion
  5. 10. - A giant cloud in space.
  6. 11. - hot chunky water
  7. 13. - ripping paper
  8. 15. - erosional surfaces between parallel sedimentary beds
  9. 16. unconformities - erosional surfaces that separate older tilted or folded beds from the younger flat beds
  10. 18. - erosional surfaces between older crystalline rocks and younger sedimentary rocks
Down
  1. 1. Planets - gas or ice
  2. 2. relationships - the thing being cut is older than the thing doing the cutting
  3. 4. - Xword
  4. 7. intrusions - dikes if the intrusion cuts across the bedding plane of the existing rock or sills if the intrusion is parallel to the bedding plane of the existing rock
  5. 8. - falling down
  6. 9. - air but with different colors and flavors
  7. 12. Planets - rocky surfaces.
  8. 14. - hard rock shaped objectSpace - outside the planet
  9. 17. - the present is the key to the past