Question #7e46d
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"What polyatomic ion has a positive charge?"
1 Answer
Jul 4, 2017
Non Relativistic time is relative motion
Explanation:
1 day = 1 rotation of the Earth,
1 year is one revolution of the Earth about the Sun.
1 month is one revolution of the moon about the Earth
Hours, minutes and seconds simply divide up these numbers evenly.
