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Physics

Ex : You can choose several answers. 1 – A earth's referential is.....in geocentrical's referential : a-immobil b-in movement 2 - To describe the most simpely the movement of center of the moon, you should use : a- earth's referential b- geocentric's referential 3 - To describe the most simpely the movement of the center of Earth, you have to use : a- earth's referential b - geocentric's referential c - heliocentric's referential

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