Answer:
"The separation of twins conjoined at the head was a medical miricle , but the The story of the surgery that made Ben Carson famous — and itsIf things go badly it would be terrible for the young doctor's career,”
EnJoY ThE AnSwEr!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!!
Answer:
adenine (A), cytosine (C), guanine (G), and thymine (T),
Explanation:
The answer is B, because layers mix better at the poles.