Terr, Terra, Geo = Land or Earth

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Across
  1. 1. the science of the EARTH that deals with the regions or places on the planet's surface
  2. 4. almost or completely surrounded by LAND
  3. 6. baked EARTH; hard, brownish-red pottery
  4. 7. a person who studies the regions of the EARTH, including the climates and natural resources
  5. 8. the study of EARTH, specifically rocks and the planets crust
  6. 9. under the surface of the EARTH; underground
Down
  1. 2. out of this world; above and beyond what is found on planet EARTH
  2. 3. an area, region, or piece of LAND
  3. 5. a hollow stone found on the EARTH that is lined on the inside with crystals
  4. 10. a raised, flat mound of EARTH (dirt) that looks like platform with sloping sides