pyramid puzzler

12345678910111213141516
Across
  1. 2. a stretch of water that goes south into the gulf of aden
  2. 6. a river stretching south to north
  3. 9. a type of coffin
  4. 11. a valley formed by a current of water
  5. 12. the capital of Egypt
  6. 13. a wetlands formed by rivers
  7. 14. a dead pharaoh
  8. 15. a humanoid structure without a nose
  9. 16. a type of ruler
Down
  1. 1. a term used in farming
  2. 3. a type of paper
  3. 4. a series of rulers
  4. 5. a way to preserve a corpse
  5. 7. a desert in the north of Africa
  6. 8. a ancient language
  7. 10. a structure that holds dead pharaohs