What can cause attention deficit hyperactivity disorder (ADHD)? A. low levels of gamma-amino butyric acid B. low levels of serotonin C. low levels of endorphins D. low levels of acetylcholine

Respuesta :

Answer:  B. low levels of serotonin

Answer:

(A) Low levels of gamma-amino butyric acid

Explanation:

Got it right on the Plato test! #Plato

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