Answer:
caffeine
Explanation:
The main active ingredient in coffee, caffeine stimulates the central nervous system. It is the most commonly consumed psychoactive substance worldwide.
sana po makatulong
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Answers & Comments
Answer:
caffeine
Explanation:
The main active ingredient in coffee, caffeine stimulates the central nervous system. It is the most commonly consumed psychoactive substance worldwide.
sana po makatulong