What methods might archaeologists use to determine the geographic extent and nature of an archaeological site? Which of these methods would have worked best at Teotihuacan in advance of the Wal-Mart development?

copernicus finished the first manuscript of his book, "de revolutionibus orbium coelestium" ("on the revolutions of the heavenly spheres") in 1532. in it, copernicus established that the planets orbited the sun rather than the earth. he laid out his model of the solar system and the path of the planets.

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