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wqeywqorwerh wqeywqorwerh
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6 years ago
The half-life of caffeine in the blood ranges from ____________.
 
  a. 15-30 minutes
  b. 1-2 hours
  c. 3-7 hours
  d. 12-24 hours
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hthththththt
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6 years ago
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wqeywqorwerh Author
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6 years ago
This site is awesome
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Yesterday
I appreciate what you did here, answered it right Smiling Face with Open Mouth
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2 hours ago
Thanks for your help!!
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