Virus culturing because it allows you to take the virus and control it so can put it into a vaccine
The answer is evolutionary!
I hope I was able to help. :)
Not really. Lol very much a mixture tho
Answer:
physical contaminants that can contaminate food are hair, bandages, fingernails, jewelry, broken glass, metal, paint flakes, bone, body parts of pests, and pest droppings.