I think it is B I had done these.
Answer:
A. A Densley populated country.
Explanation:
The answer is red for the highest surface temp of a star.
Answer: C.) They need the host cell to replicate
Explanation:
Viruses are not made out of cells, they can't keep themselves in a stable state, they don't grow, and they can't make their own energy. Even though they definitely replicate and adapt to their environment, viruses are more like androids than real living organisms.