The enemy

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Across
  1. 2. A piece of land surrounded by water.
  2. 5. The process of learning or teaching.
  3. 9. The part of the day between noon and evening.
  4. 10. A small vessel for traveling on water.
  5. 14. A serious, unexpected situation requiring immediate action.
  6. 17. The act of finding something for the first time.
  7. 18. A planned activity or procedure, often in surgery.
  8. 19. The loss of blood from a wound or injury.
  9. 20. A medical procedure involving an operation.
Down
  1. 1. An island nation in East Asia.
  2. 3. A person employed to perform household tasks.
  3. 4. A space for growing plants, flowers, or vegetables.
  4. 6. A tropical fruit with a hard shell and sweet water inside.
  5. 7. A male parent.
  6. 8. A thick cloud of tiny water droplets near the ground.
  7. 11. Someone held captive, often in jail.
  8. 12. A person who studies or practices science.
  9. 13. A vast body of saltwater covering most of Earth.
  10. 15. The part of the face above the eyebrows.
  11. 16. - Someone who catches fish as a profession or hobby.