why alarm clock is important?

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Dec 12, 2019 11:06 AM 1 Answers best alarm clock
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why alarm clock is important? why alarm clock was invented?

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Anonymous
Edit Dec 13, 2019
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What are the alarm clock?

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- Dec 13, 2019 06:01 PM
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Alarm clock is a clock with alarm function. It can indicate the time, and can also send out an acoustic signal or other signals at a predetermined time.

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