caylinhardencurls caylinhardencurls

24-01-2019
Biology

contestada

( NEED HEALP ASAP 21pts )
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 :

gmendez62 gmendez62

24-01-2019

B.

low levels of serotonin

Answer Link

nyny1589 nyny1589

24-01-2019

Low levels of serotonin

Answer Link

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