Nearly every cell in a person's body has the same DNA. Most DNA is located in the cell nucleus (where it is called nuclear DNA), but a small amount of DNA can also be found in the mitochondria (where it is called mitochondrial DNA or mtDNA)
C & B are switched so I'm not sure if that was a typo or not, but the answer is concentration!
Explanation:
I think 1) acidic solution
2) basic solution.
Answer:
I believe CDC I s the most reliable
