Which of the following is a major inhibitory neurotransmitter?
a.
acetylcholine
b.
glutamate
c.
norepinephrine
d.
gaba (gamma-aminobutyric acid)

the correct answer is ; d. gaba (gamma-aminobutyric acid). for psychology but there is not category for psychology so i selected social studies

D. GABA (gamma-aminobutyric acid) is the main inhibitory neurotransmitter that an adult vertebrate brain has.

Explanation:

An inhibitory neurotransmitter transmits impulses of inhibiting effects and therefore reduce the chances that a neuron shall give an action in response.The Inhibitory synaptic transmission uses GABA as the neurotransmitter that transmits inhibitory effects.This neurotransmitters are used to repress something such as controlling release hormones, through shutting down and opening the release factor in a bid to control the body.

To solve their problems, mesopotamians used irrigation, a way of supplying water to an area of land. to irrigate their land, they dug out large storafe basins to hold water supplies these ditches brought water to the feilds. to protect their feilds from flooding, farmers built up the banks of the tigris and euphrates.hope ths !

Ithink it’s bill gates.