The root 'geo'

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Across
  1. 3. Heat energy that comes from inside the Earth
  2. 6. Study of rocks and Earth's structure
  3. 9. Math dealing with shapes, lines, and angles
  4. 10. Related to Earth's physical structure and history
  5. 11. Having or representing Earth as the centre
Down
  1. 1. Study of Earth's physical properties and forces
  2. 2. Related to the Earth's land and regions
  3. 4. Related to politics influenced by geography
  4. 5. Study of Earth's surface, countries, and features
  5. 7. Related to shapes or geometry
  6. 8. Scientist who studies rocks and Earth's layers