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This scientist focused his study on planetary motion.one of his laws is the planets orbit the sun in elliptical patterns.
answered
Jan 16, 2018
Biology
high-school
5
votes
210k
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A study of the achievements of pre-Columbian Mesoamerican cultures would show that they (1) sustained dense populations through intensive agriculture (2) engaged in an extensive exploration of the Pacific
answered
Mar 14, 2016
History
high-school
3
votes
107k
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