The question ask to choose among the following choices that is not a difference between schools in Puerto Rico and schools in Los Estados Unidos. Base on the question, the possible answer would be the last choice that states "Students study both spanish and english". I hope this would help
A.D 476, for a total of 507 years, until taken by the ottoman turks in 1453
A.D 478-1453
Tropical rainforest, the high mountains and wild rivers were some of the physical obstacles that the Incas faced. They had to build a complex network of roads to link the entire Inca empire. They had messenger stations along these roads so that they could relay their messages, and they built shelters along the way for travelers.
Answer:
city state
Explanation:
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