__________________________________ Before pendulum clocks were invented, Peter Henlein of Germany invented a spring-powered clock around 1510. It was not very precise. The first clock with a minute ha

A.Dividing the day into hours, minutes,and seconds B.Using the sun C.Dividing the year into months and days D.Sundial clocks E.Water clocks F.Pendulum clocks

时间:2023-08-05 16:51:42

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