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Skip91 Skip91
wrote...
Posts: 2598
9 years ago
Each cycle of sleep during a typical night tends to be about
A) 5 minutes long.
B) 20 minutes long.
C) 35 minutes long.
D) 90 minutes long.
E) 140 minutes long.
Textbook 
Biopsychology

Biopsychology


Edition: 9th
Author:
Read 580 times
1 Reply
Learning Bio-psychology @ Seattle University
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Answer verified by a subject expert
poker.facepoker.face
wrote...
Top Poster
Posts: 2541
9 years ago
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Skip91 Author
wrote...

9 years ago
this is exactly what I needed
wrote...

Yesterday
Smart ... Thanks!
wrote...

2 hours ago
Helped a lot
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