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slickshot76 slickshot76
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6 years ago
If we compare either different species or different ages, what trend emerges?
 
  a. The less total sleep, the higher the percentage of REM sleep
  b. The more total sleep, the higher the percentage of REM sleep
  c. The more activity during wakefulness, the higher the percentage of REM sleep
   d. The more activity during wakefulness, the lower the percentage of REM sleep
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summer123summer123
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6 years ago
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slickshot76 Author
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6 years ago
Thank you, thank you, thank you!
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Yesterday
Good timing, thanks!
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2 hours ago
Thanks
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