p-13

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Across
  1. 3. - Dense growth of trees
  2. 8. - Device used to capture images
  3. 9. - Flying transportation
  4. 11. - Dance form characterized by grace and precision
  5. 13. - Instrument for observing distant objects
  6. 14. - Large feline mammal
  7. 16. - Flightless bird found in Antarctica
  8. 18. - Landmass surrounded by water
  9. 19. - Precious gemstone
  10. 20. - Branch of mathematics
Down
  1. 1. - Insect with colorful wings
  2. 2. - Sweet treat made from cocoa beans
  3. 4. - Artificial object orbiting a planet
  4. 5. - Natural flowing watercourse
  5. 6. - Multicolored arc in the sky
  6. 7. - Vast body of saltwater
  7. 10. - Celestial body orbiting a star
  8. 12. - Tall natural landform
  9. 15. - Largest land mammal
  10. 17. - Stringed musical instrument