Water expands as it freezes, so ice generally has more oxygen in it than liquid water, making it denser.
I believe the Answer would be B because they are both increasing but I am not 100% correct
C. Hardness is the answer
Answer:
George Washington is the first president
DNA isolation is a process of purification of DNA from sample using a combination of physical and chemical method while on the other hand, Polymerase chain reaction (PCR<span>) is a technique used in molecular biology to amplify a single copy or a few copies of a piece of DNA across several orders of magnitude, generating thousands to millions of copies of a particular DNA sequence.</span>
