science and technology of the civilization

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Across
  1. 2. blowing the ancient egyptians was the first people to learn how to make it.
  2. 4. mesopotamia the inventors of sailboats.
  3. 5. rugs a vitalbpart of the persian culture.
  4. 7. gardens one of the seven wonders of the world.
  5. 8. were primarily a mercantile people engaged in overseas trade.
  6. 10. the science of medicine
  7. 13. obscura it was invented by lbn haytham in 1038 CE.
  8. 16. leader of the old babylonian.
  9. 17. age the third age of the world.
  10. 20. the first writing system.
  11. 21. age Neolithic,paleolithic
Down
  1. 1. table its contain the sumerian historical information and culture.
  2. 2. great physician and surgeon
  3. 3. provided us with important knowledge about ancient rome.
  4. 6. bubakr had developed the theory of relativity in 8th century CE.
  5. 9. egytians to heat metal ore.
  6. 11. sptolemy studied astronomy, geology,astrology,musics and other arts and sciences.
  7. 12. undertook a large-scale classification of plants and animals.
  8. 14. they used water por, and watermills for making cereals milling.
  9. 15. exchange of goods.
  10. 18. it was engaged in pottery of various shape and sizes artistically done.
  11. 19. age the last and worst age of the world.
  12. 20. the central exporter of wine, oil, jewelry and highly crafted works.