B) Flu is easily transmitted from person to person.
If there is a very big population density, it means more people are present in a small amount of space. Thus they will come into contact more often and the virus is likelier to spread more rapidly.
Vacuole, cell wall, and chloroplast.
there would be no ecosystem
You could possibly experience some serious health problems or even worse possibly die but if you take care of yourself or go to the doctor with time you will have a better chance at surviving Corona