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Home Q & A Board Science-Related Homework Help Psychology
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rockabye rockabye
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6 years ago
Periods of R sleep alternate with periods of N sleep in a cycle that recurs about every ________ minutes or so.
A) 210      B) 60      C) 5      D) 90
Textbook 
Psychology

Psychology


Edition: 2nd
Authors:
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OmarianOmarian
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rockabye Author
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6 years ago
Thanks for your help!!
AlahuKakpar
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Just got PERFECT on my quiz
cartoon
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This helped my grade so much Perfect
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