Neurons and neurotransmitters didn’t see first answer please make Brainlyist have a good day
I am not sure but I am guessing carbon and nitrogen :)
The answer for this question would be the second option. Genomic studies cover the analysis of the changes of genome by scanning the markers across complete sets of DNA. Based on these studies, the change in gene sequences happen that resulted to a change in the way that the brain interprets speech in between 4 and 9 million years ago.
B. some substances must be dissolved in water before they can be used
