What is Geography?

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Across
  1. 2. Nothing is constant, except this
  2. 3. Up there, way up high
  3. 7. Connection-boat
  4. 8. Everything around us
  5. 9. Abstract ideas
  6. 11. Very hard to define
  7. 14. A mindset on how to make things better in the future
  8. 16. Centimetres, metres, kilometres
Down
  1. 1. Not to be confused with affect
  2. 4. Why something happens
  3. 5. Web of relations
  4. 6. referring to space
  5. 10. The P in SPICESS
  6. 12. What sort of creature are you?
  7. 13. Big or small?
  8. 15. Where I am