I fill like the reaction would be distillation or chromatography but distillation has to do with bioling points and chromatography has to do with how far the components separate along the material. but im in chemistry not advance placement.
I'm thinking Lack of Motivation. I'm going to double check though for you.
Answer:
GABA
Explanation:
It reduces neuron excitability, because it of its processes in inhibition as a neurotransmitter. It is located in the CNS, as well.
I think it might be C.
But I am not 100% sure
The correct answer would be B. A car cannot actually "belch and cough", therefore it is figurative language