Earth

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Across
  1. 6. The largest part of Earth's hydrosphere
  2. 7. Another name for lithosphere
  3. 10. The sphere with layers of gas
  4. 11. Lowest point on Earth
  5. 13. The sphere that contains all of the Earth's water
Down
  1. 1. The sphere that is made up of the Earth's crust
  2. 2. The second most abundant gas in the atmosphere
  3. 3. Highest point on Earth
  4. 4. The common name of a large landmass
  5. 5. The sphere that contains all the living organisms on Earth
  6. 8. The 4th largest planet
  7. 9. Includes mountains, hills, plains and plateaus
  8. 12. Deepest depression on Earth