Social Studies, 01.08.2019 22:00 giulianna41
Instructions: select all the correct answers. in what three ways did the chinese develop the perpetual calendar wan-nien-li? they observed the sun's longitude and the moon's phases. they used measurements from a sundial and a water clock. they determined the dates of the two solstices in a year. they mapped the constellations in the night sky. they surveyed citizens about how many days there should be in a year.
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Instructions: select all the correct answers. in what three ways did the chinese develop the perpetu...
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