lovepeace1011 lovepeace1011
  • 02-09-2015
  • Social Studies
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What Greek invention that aided naval travel did the Muslims inprove

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WorldCitizen WorldCitizen
  • 02-09-2015
This was astrolabe; an instrument to predict the position of the stars,  that could also be used to predict t one's position. The compass was invented in China.
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