Earth's surface

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Across
  1. 2. The height above sea level of a point on Earth's
  2. 3. organism on Earth
  3. 7. shape,structure,area,and age
  4. 8. less level surface
  5. 9. A landform made up of nearly flat or gently rolling
  6. 10. body
  7. 11. lowest parts of an area
  8. 12. The portion of the Earth that is water
  9. 14. Range A group of mountains that are closely related
  10. 16. A mixture of gasses that surrounds a planet moon or other
Down
  1. 1. A landform with high elevation and high relief
  2. 4. The mostly solid,Rocky part of the Earth which extends from
  3. 5. The difference in elevation between the highest
  4. 6. with low relief
  5. 9. The landform that has high elevation and a more
  6. 13. The part of the Earth where life exists,includes all of the
  7. 15. center of the core to the surface of the crust