Viruses are so small that they can be seen only with an electron microscope, and viruses include the Tobacco Mosaic Virus. Given these facts, how can cells of the Tobacco Mosaic be seen among the following options:
- refraction of light
 - an area swollen with pus
 - by indirect light
 - death and devastation
 - bending light rays
 - electron microscope
 - deadly and devastating
 - Veins and arteries.


 

      electron microscope   