Glycogen stored mainly in the liver
I hope that's help !
I think A is the answer its hard to explain but i hope this helped.
DNA methylation is a process by which methyl groups are added to the DNA molecule. Methylation can change the activity of a DNA segment without changing the sequence. When located in a gene promoter, DNA methylation typically acts to repress gene transcription.
The answer for this question would be choice <span>B) Water, rock, and surface materials, or the second option.</span>