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Author Question: A complete cycle through all sleep stages takes approximately: a. 30 minutes b. 60 minutes c. ... (Read 199 times)

lb_gilbert

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on: Jun 22, 2018
A complete cycle through all sleep stages takes approximately:
 
  a. 30 minutes
  b. 60 minutes
  c. 90 minutes
  d. 120 minutes

Question 2

Parkinson's disease may be caused by:
 
  a. Environmental toxins
  b. Faulty metabolism of fats
  c. An unrecognized parasitic infection
  d. Demyelination disorders


hanadaa

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Reply #1 on: Jun 22, 2018
Answer to Question 1

C

Answer to Question 2

A


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