The answer would be D. variation
hey the answer polytechnic traits my friend :)
1. 1000000 g
2. 62cm
3. ??
4. 8.45 ( not sure)
5. 0.825 m
Infected cells create and release small proteins known as interferons, which help the immune system fight viruses. Interferons stop viruses from replicating by interfering with their ability to multiply within infected cells.