National Parks

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Across
  1. 1. something that lasts or cannot be changed
  2. 4. scientific test
  3. 6. to sleep outside or in a tent in nature
  4. 8. determining the size or amount of something
  5. 12. finding or learning something
  6. 13. being the reason for or the primary cause of something
Down
  1. 1. a type of tree or material
  2. 2. exciting experience or journey
  3. 3. the reason something is done or created
  4. 5. to make someone agree with you
  5. 6. management and protection of natural landscapes
  6. 7. visible setting, examples: mountains, trees, rivers
  7. 9. support or defend a cause or person
  8. 10. to keep something or someone safe from harm or danger
  9. 11. something or someone that makes you want to do something