Water

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Across
  1. 2. the study of elevation of land and its natural features
  2. 3. water with salt
  3. 5. a long, deep valley on the ocean floor
  4. 7. what characteristic of water alter he density
  5. 8. the smooth, nearly flat region of the ocean floor
  6. 9. water without salt
  7. 10. body of water surrounded by land
Down
  1. 1. is a gently sloping, shallow area
  2. 4. how much water is on Earth
  3. 6. huge body of water(Atlantic, Pacific, Arctic, etc).