Answer:
The answer is Eurasia, North America, Africa, and South America.
Explanation:
Answer:
<u>A chemical bond between the phosphate group of one nucleotide and the sugar of a neighboring nucleotide holds the backbone together. Chemical bonds (hydrogen bonds) between the bases that are across from one another hold the two strands of the double helix together.</u>
Explanation:
Idk the answer, I'm sorry
