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BB Day 3

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BB Day 3

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2013CBB

1 Views • Jun 16, 2013

Wikipedia Context

A day is the time period of a full rotation of the Earth with respect to the Sun. On average, this is 24 hours. As a day passes at a given location it experiences morning, afternoon, evening, and night. This daily cycle drives circadian rhythms in many organisms, which are vital to many life processes.

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16 June 2013

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