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Home Q & A Board Biology-Related Homework Help Medicine Nursing and Clinical
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Smiranda01 Smiranda01
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6 years ago
The main active ingredient in coffee, black teas, most cola drinks, and many other bottled beverages that stimulates the nervous system, relieves fatigue, increases alertness, and in-creases the body's metabolic rate is
 
  1. alcohol.
  2. cocaine.
  3. caffeine.
  4. amphetamines.
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LizamarieLizamarie
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6 years ago
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Smiranda01 Author
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6 years ago
I appreciate what you did here, answered it right Smiling Face with Open Mouth
ouasfoudgewu
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Yesterday
Thanks for your help!!
sleinhi
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2 hours ago
This site is awesome
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