Answer:
it needs somewhere comforatible
Explanation:
When they circle around they need to get that space soft and then they will lay down
I got D, C, A, B, C, B, D, C.
C (proteins) instead of D (nucleic acids) because if you look at a nucleic acid structure, you'll see that sulfur is not found in it. Sulfur is found in two amino acids (methionine and cysteine), which means it could be found in proteins since amino acids build proteins
Is there supposed to be an image?