D.They both contain carbon, but only nucleic acids contain phosphorous.
Answer:
S is rotting, on the other hand Q is fine.
Explanation:
S is not watered, and will rot soon, and Q is watered, so the behavior will be different.
If you mean connected as in how they all work together in efforts to keep their ecosystem stable then true. But if you mean in a connected in a common ancestor kind of way then false.
Answer:
I think it is ether A or D
