Answer:
Dopamine
Explanation:
It's not adrenaline since that's the flight or fight chemical your body releases in cases of danger and meth has nothing to do with it.
It's not THC since that's the chemical in marijuana that gives you the dopamine rush, which is unrelated to meth
It's not Hormones, this one just doesn't make sense.
To actually control the color of their skin, cephalopods Use tiny organs in their skin called chromatophores. Each tiny chromatophores is basically a sac filled with pigment, minute muscles tug on the sac, spreading it wide and exposing the colored pigment to any light hitting the skin.
