You are presented with the question "What can viruses be seen with?" and the following answer choices: 
- eye
 - A computer
 - magnifying glass
 - microscope
 - the skin
 - radiation
 - Chemical energy
 - glasses

Now knowing that viruses are so small that they can be seen only with an electron microscope and electron microscopes are needed to see viruses, choose the best answer.


 

    microscope     