Which brain area is similar in heavy social media users and those with a substance use disorder?
O amygdala
O hippocampus
O thalamus
cortex

answer; i believe that the correct answer is (essential amino acids);

fluid balance is an aspect of the homeostasis of organisms in which the amount of water in the organism needs to be controlled, via osmoregulation and behavior, such that the concentrations of electrolytes (salts in solution) in the various body fluids are kept within healthy ranges. the core principle of fluid balance is that the amount of water lost from the body must equal the amount of water taken in.

chemical preservatives

frequency is the answer