50% AB 25% A 25% B I think sorry if it’s wrong
Don't listen to the other answer (if it's still there) the answer is C. Winter
Because each carbon is identical, they all have four valence electrons, so they can easily bond with other carbon atoms to form long chains or rings. (Hoping that helps)
Answer:
Nucleotides
Explanation:
A nucleotide of DNA consists of a five-carbon sugar (deoxyribose), a phosphate unit, and a nitrogen-containing base.