Which astronomer thought the earth was the center of the solar system

Kublai khan honored his mongol heritage by: a)marring only one wife b)praying facing mecca five times a day c)slaughtering ten chinese officials every year d)building a large enclosed hunting ground at shangdu,his summer palace

What did the incas accomplish? a. written language b. formalized religion c. conquest of the western south america d. formalized government

Members of the common school movement believed that